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Three Fingered Jack, Oregon Weather

Viewpoint • Central Oregon

Three Fingered Jack is a deeply eroded volcano of about 7,840 feet on the Cascade crest, just north of Santiam Pass in the Mount Jefferson Wilderness. Its jagged ridge of spires is a landmark from Highway 20, and the Pacific Crest Trail runs along its western flank.

24°
🌧️
Comfort Score
13(F)
Severe
Typical for November · typical high 32°
Weather updated November 13, 2026 at 5:02 PM PST

Plan your week

10-Day Forecast

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  1. Today
    Nov 13
    35°21°
    Comfort
    17
    96%
    Snow 4.1 in
  2. Sat
    Nov 14
    27°20°
    Comfort
    15
    87%
    Snow 2.6 in
  3. Sun
    Nov 15
    28°20°
    Comfort
    14
    99%
    Snow 1.1 in
  4. Mon
    Nov 16
    26°14°
    Comfort
    28
    32%
    Rain 0.01 in
  5. Tue
    Nov 17
    29°11°
    Comfort
    22
    72%
    Rain 0 in
  6. Wed
    Nov 18
    21°6°
    Comfort
    16
    76%
    Snow 2.2 in
  7. Thu
    Nov 19
    19°9°
    Comfort
    1
    22%
    Snow 0.20 in
  8. Fri
    Nov 20
    26°11°
    Comfort
    14
    6%
    Precip 0 in
  9. Sat
    Nov 21
    23°15°
    Comfort
    27
    19%
    Precip <0.01 in
  10. Best day
    Sun
    Nov 22
    24°17°
    Comfort
    29
    18%
    Rain 0.22 in
See hiking scores for every trail this week →

Hour by hour

Hourly Forecast

Drag or swipe to browse
  1. Today
    Now
    24°
    Comfort
    13
    18%
    0.28 in
  2. Today
    6 PM
    23°
    Comfort
    16
    34%
    0 in
  3. Today
    7 PM
    22°
    Comfort
    14
    11%
    0.03 in
  4. Today
    8 PM
    22°
    Comfort
    14
    6%
    0.14 in
  5. Today
    9 PM
    22°
    Comfort
    16
    13%
    0 in
  6. Today
    10 PM
    21°
    Comfort
    16
    6%
    0 in
  7. Today
    11 PM
    21°
    Comfort
    11
    18%
    0.19 in
  8. Sat
    12 AM
    21°
    Comfort
    9
    39%
    0.63 in
  9. Sat
    1 AM
    21°
    Comfort
    10
    55%
    0.33 in
  10. Sat
    2 AM
    21°
    Comfort
    9
    44%
    0.54 in
  11. Sat
    3 AM
    21°
    Comfort
    12
    45%
    0.28 in
  12. Sat
    4 AM
    21°
    Comfort
    13
    41%
    0.14 in
  13. Sat
    5 AM
    22°
    Comfort
    6
    36%
    0.02 in
  14. Sat
    6 AM
    23°
    Comfort
    15
    51%
    0 in
  15. Sat
    7 AM
    22°
    Comfort
    12
    64%
    0.25 in
  16. Sunrise7:02 AM
  17. Sat
    8 AM
    23°
    Comfort
    11
    49%
    0.28 in

Current Conditions

Temperature
24°F
Feels like 12°F
Humidity
99%
Dew point 24°F
Wind
16 mph
NW • Gusts 30 mph
Cloud Cover
100%
Fog / low cloud
Precip Chance
18%
Air Quality
12
Good

Comfort Breakdown

Less comfortableMore comfortable
Thermal4
Wind49
Sky Comfort8
Moisture81
Precipitation68
Air Quality
AQI 12 · Good
100

Three Fingered Jack weather today and through the year

It's 24°F at Three Fingered Jack right now (feels like 12°F), with 16 mph wind and a comfort score of 13. Saturday's forecast high at Three Fingered Jack is 27°F, 11°F below the mid November normal of 38°F. Fog is forecast to linger into the afternoon tomorrow at Three Fingered Jack. In November, fog here often lingers all day. The best window tomorrow is 8 AM to 11 AM, at about 26°F with a 15 mph wind (comfort 17).

July is the warmest month at Three Fingered Jack, with an average high of 68°F. December is the coldest, with an average low of 22°F. December is the wettest month (14.9 in.), out of about 90.2 in. a year. By typical temperature, wind, cloud, humidity, and precipitation odds, the most comfortable months at Three Fingered Jack are August, July, and September. The best hours are usually 1 PM to 4 PM in August, noon to 3 PM in July, and 2 PM to 5 PM in September.

Three Fingered Jack sits squarely on the Cascade crest a few miles north of Santiam Pass, so it takes the full brunt of Pacific storms. It gets much more rain and snow than Black Butte, which stands about 10 miles east of the crest. Black Butte lies in the rain shadow, the drier zone downwind of the range. Winter precipitation here is almost all snow. Snow lingers into summer in the shaded cirques, the bowls that glaciers carved into its flanks.

Forecast updated November 13, 2026 at 5:02 PM PST. Climate figures come from NOAA 1991-2020 normals. Hourly patterns come from NOAA's HRRR hourly analysis from May 2016 to May 2026.

What to expect at Three Fingered Jack in the next few days

No active National Weather Service alerts for this location.

Fog

Fog is forecast to linger into the afternoon tomorrow at Three Fingered Jack. In November, fog here often lingers all day.

Best time to go

The best window tomorrow is 8 AM to 11 AM, at about 26°F with a 15 mph wind (comfort 17).

Climbing conditions

No daylight hour in the next week is forecast to be dry, 45 to 80°F, and under 18 mph wind at Three Fingered Jack.

Best day this week

Of the next 7 days, Sunday looks best for Three Fingered Jack, with a 28°F high and midday comfort near 24. Thursday looks weakest (5).

This weekend

This weekend: Saturday 27°F/20°F with a 87% chance of rain, Sunday 28°F/20°F with a 99% chance of rain.

Rain

Next good chance of rain: today (96%, about 0.69 in.).

Snow

Snow is in the forecast: about 10.2 in. over the next week, starting today.

Freezing nights

7 of the next 7 nights are forecast to reach freezing or colder.

Live weather map

Weather around Three Fingered Jack right now

Snow and 24° at Three Fingered Jack right now.

Live weather map
About the live weather map for Three Fingered Jack

The map centers on Three Fingered Jack and stacks wildfire smoke, satellite clouds, and precipitation radar on one view. Clouds come from the GOES-West satellite and rain from NOAA radar, and both show current conditions.

Dots mark nearby places with their current temperature, colored by comfort score. Use the layer buttons to turn any layer off, or open the full map for every destination in the region.

Three Fingered Jack vs nearby places

Typical summer conditions compared with Three Fingered Jack, from the same NOAA HRRR hourly record. The list shows the closest places, then nearby places whose climate differs the most.

Summer climate at places near Three Fingered Jack
PlaceDistanceSummer afternoonsMorning fogAfternoon windCompared with Three Fingered Jack
Square Lake3.2 mi+8°F4%10 mph3,084 ft lower and about 8°F warmer on summer afternoons
Santiam Pass4 mi+8°F9%9 mph3,017 ft lower and about 8°F warmer on summer afternoons
Ray Benson Sno-Park4.4 mi+8°F9%9 mph3,034 ft lower and about 8°F warmer on summer afternoons
Camp Sherman10.1 mi+20°F0%7 mphabout 20°F warmer on summer afternoons and 4,884 ft lower
Sisters19.5 mi+21°F0%9 mphabout 21°F warmer on summer afternoons and 4,652 ft lower
Lake Billy Chinook24.8 mi+23°F1%9 mphabout 23°F warmer on summer afternoons and 5,889 ft lower

Places with a climate like Three Fingered Jack's

Climate Dashboard

Current conditions vs. NOAA normals and recent destination baseline

Today's High vs Normal
35°Fforecast
3° below normal
Normal: 38°F
Rainfall Year-to-Date
42.3"
39% below average
30-yr avg: 68.8"
Sunny Days
18last 28 days
7 more than baseline
Typical: 11
Foggy Days
7last 28 days
vs 11 typical
Clearer than usual
Avg Wind Speed
9.7 mphlast 28 days
3.1 mph calmer than baseline
Typical: 12.8 mph
Comfort Score
6528-day avg
16 pts above typical
Recent baseline: 49
What the Three Fingered Jack climate comparisons mean

These cards compare recent conditions at Three Fingered Jack with the available local baseline. Temperature and year-to-date rainfall use long-term normals when available. Fog, sunshine, wind, and comfort use the matching recent or modeled baseline identified on each card.

Positive and negative differences describe how Three Fingered Jack departs from its own usual pattern. They should not be read as a direct comparison with another city or as a forecast beyond the period shown.

Three Fingered Jack weather by month

July is the warmest month at Three Fingered Jack, with an average high of 68°F. December is the coldest, with an average low of 22°F. December is the wettest month (14.9 in.), out of about 90.2 in. a year. Morning fog peaks in February, when fog or low cloud covers 55% of the hours from 6 to 10 AM. July has the clearest middays, with clouds covering about 2% of the sky from 11 AM to 3 PM.

By typical temperature, wind, cloud, humidity, and precipitation odds, the most comfortable months at Three Fingered Jack are August, July, and September. The best hours are usually 1 PM to 4 PM in August, noon to 3 PM in July, and 2 PM to 5 PM in September.

Typical monthly weather at Three Fingered Jack. Highs, lows, and precipitation: NOAA 1991-2020 normals. Fog, cloud, and wind: NOAA's HRRR hourly analysis from May 2016 to May 2026. Comfort is the average daytime score from the Three Fingered Jack hourly climatology.
MonthAvg highAvg lowPrecipWet daysMorning fogMidday cloudAfternoon windDaylightComfort
Jan34°F23°F13.6 in2245%17%13 mph9.2 h0
Feb35°F23°F9.8 in1955%17%14 mph10.4 h0
Mar38°F24°F10.8 in2049%17%13 mph11.8 h0
Apr42°F27°F8.1 in1745%15%12 mph13.5 h0
May50°F33°F5.1 in1334%11%10 mph14.8 h3
Jun57°F37°F3.4 in1125%8%11 mph15.5 h10
Jul68°F43°F0.9 in66%2%10 mph15.2 h71
Aug67°F43°F0.9 in67%2%10 mph14.0 h72
Sep60°F40°F2.9 in1021%6%11 mph12.4 h20
Oct48°F33°F7.7 in1636%11%13 mph10.8 h0
Nov38°F27°F12.2 in2147%15%14 mph9.5 h0
Dec33°F22°F14.9 in2353%15%14 mph8.8 h0

Morning fog is the share of hours from 6 to 10 AM with fog or low cloud. Midday cloud is the average from 11 AM to 3 PM, and afternoon wind is the average from 1 to 5 PM. The highlighted rows are the most comfortable months.

What makes Three Fingered Jack's weather different

When the fog burns off

59%of 4 AM hours foggy in February

Fog or low cloud covers Three Fingered Jack in 59% of 4 AM hours in February, the foggiest month. It often lingers, and 54% of mid-afternoon hours are still foggy. July mornings are the least foggy (6%).

Wind

12 mphtypical afternoon wind, with no strong daily build-up

Three Fingered Jack has no strong afternoon wind build-up. Afternoons average about 12 mph year-round, and January is the windiest month, with hourly averages near 15 mph.

Freezing hours

24 hbelow freezing on a typical January night

In January, the average stays at or below freezing around the clock.

Elevation

+8°Fsummer afternoons at Square Lake, 3,084 ft down

Square Lake sits 3,084 ft lower, 3.2 miles away. Its summer highs average 8°F warmer and its winter lows 1°F milder than Three Fingered Jack.

Daylight

8.8–15.5 hof daylight, Dec to Jun

Days at Three Fingered Jack range from about 8.8 hours in December to 15.5 hours in June. In mid-June the sun sets around 8:52 PM, and in mid-December around 4:31 PM.

Wildfire smoke

13 daysof smoky air per fire season (about AQI 75+)

NOAA's HRRR-Smoke model gives the area around Three Fingered Jack an average of 13 smoky days a fire season from 2021 to 2025. On each of those days, smoke held the air quality index at about 75 or higher for at least three hours. About 25 more days a season had lighter smoke.

Snow

94 dayswith snow per winter (HRRR estimate)

Three Fingered Jack is high-alpine terrain where snow can fall in any month. NOAA's HRRR model counts about 94 snowy days a winter here, averaged over the 2023-24 to 2025-26 winters. Its snowfall totals this high up are too uncertain to give.

Seasons at Three Fingered Jack

  • Warm seasonJun 27 – Sep 24 · highs 59°F+

    The warm season lasts about 3 months, from Jun 27 to Sep 24, when the average high is 59°F or warmer. Highs peak around Jul 8 at about 68°F.

  • Cool seasonNov 29 – Feb 24 · highs 36°F or lower

    The cool season runs from Nov 29 to Feb 24, when the average high is 36°F or lower. The coldest nights come around Dec 8, with an average low near 22°F.

  • Freezing nightsOct 26 – May 6 · lows 32°F or colder

    Average lows at Three Fingered Jack are at or below freezing from Oct 26 to May 6.

  • Wet seasonOct 12 – Apr 29 · 82% of the year's precipitation

    The wet season runs from Oct 12 to Apr 29, when a day has at least a 50% chance of measurable precipitation. That stretch brings 82% of the year's precipitation.

The dark line marks today. Season dates come from the smoothed daily NOAA 1991-2020 normals. Counting from Oct. 1, a typical year has its first inch of precipitation by Oct 5 and half of its annual total by Jan 24.

Days per year and extremes (Nov 1, 2024 to Oct 31, 2026)

This record runs from Nov 1, 2024 to Oct 31, 2026. Over this record, Three Fingered Jack averaged no days at 90°F or hotter and 200 nights a year at or below freezing. It averaged 51 days a year with at least half an inch of precipitation and 28 afternoons with wind of 20 mph or more at 2 PM. About 116 mornings a year had 3 or more hours of fog or low cloud.

In the same record, the hottest day was Aug 11, 2025 (80°F) and the coldest night was Feb 11, 2025 (-2°F). The wettest day was Dec 18, 2025 (5.47 in.), and the strongest 2 PM gust was 56 mph on Dec 18, 2025.

  • 0days at 90°F or hotter
  • 200nights at or below freezing
  • 51days with ½ in. of precipitation or more
  • 28afternoons with 20+ mph wind
  • 116mornings with 3+ hours of fog or low cloud
  • Hottest day80°FAug 11, 2025
  • Coldest night-2°FFeb 11, 2025
  • Wettest day5.47 inDec 18, 2025
  • Strongest 2 PM gust56 mphDec 18, 2025

What shapes Three Fingered Jack's weather

The peak is high enough to spend much of the cool season in cloud. Fog and low cloud wrap the summit ridge on many winter days and often last all day. Even in summer, a passing storm can drop the ridge into cloud with little warning. Climbers have become disoriented in fog on the mountain and needed rescue.

Wind on the ridge is strong and steady rather than building in the afternoon. The summit spires and the narrow ridge are fully exposed, so a breezy day at the trailhead can be a gusty, cold day on the rock. Summer thunderstorms build over the crest on unsettled afternoons, and the ridge is a poor place to be when they do.

The mountain's last ice hides in the shade on its northeast side. Jack Glacier, a small patch of about 2.5 acres that is likely no longer moving, survives in a shaded cirque there. The sunny south and west approaches melt out weeks earlier.

Tips for visiting Three Fingered Jack

  • Hike to the base on the PCT

    The Pacific Crest Trail reaches the base of the mountain on a round trip of about 11.6 miles, with close views of the spires.

  • Try Canyon Creek Meadows for an easier day

    From Jack Lake on the east side, a trail of about 4.5 miles with roughly 400 feet of gain reaches Canyon Creek Meadows. A further 3-mile route climbs the gravel the glacier left behind toward the peak.

  • Treat the summit as a technical climb

    Steep cliffs and loose, poor-quality rock make the summit dangerous, and holds can give way. A hiker died in a fall from the mountain in July 2020.

  • Carry a wilderness permit

    Overnight trips on the PCT north of Santiam Pass need a Central Cascades Wilderness Permit from June 15 to October 15. Long-distance PCT permit holders are exempt.

  • Turn around in fog

    Cloud can swallow the ridge quickly. If visibility drops, head back down the way you came rather than pushing on.

Three Fingered Jack through the seasons

Spring (March–May)
Spring brings deep snow on the mountain and the approach trails, with frequent storms and cloud on the crest.
Summer (June–August)
The approach trails melt out by midsummer. Clear mornings are best, and afternoon thunderstorms and wildfire smoke are possible. Permits are required from June 15.
Fall (September–November)
Cool, clear September days give the best climbing and hiking. Snow usually returns in October, and permits end October 15.
Winter (December–February)
Winter brings heavy snow, strong wind and long spells of cloud. Only experienced winter mountaineers go near the summit.

Activities and the weather that matters

  • Hiking the Pacific Crest Trail: The trail is best from midsummer into early fall. North of Santiam Pass it stays inside the Mount Jefferson Wilderness, with little shelter from afternoon storms near the mountain.
  • Canyon Creek Meadows: This is a family-friendly trip once the snow melts. Clear mornings give the best views of the northeast cirque.
  • Climbing: Climbing needs dry rock, light wind and good visibility. Rockfall and fog are the main dangers.

Official sources and current conditions

Numbers on this page come from NOAA data. The text draws on the official sources linked above.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: Recent temperature, precipitation, fog, cloud, wind, humidity, and sunshine come from NOAA HRRR, and long-term baselines from NOAA 1991-2020 climate normals.

Climate Overview

Based on NOAA 30-year temperature/rain normals (1991-2020) with recent fog/sun baseline

60
Avg Comfort
47.6°
Avg High
31.1°
Avg Low
35%
Perfect Days
☀️ Avg Sunshine7.3h/day
🌫️ Avg Fog1.8h/day
💧 Avg Annual Rain90.2"
🌧️ Rainy Days/yr182 (50%)
🌫️ Foggy Days/yr108
✨ Perfect Days (80+)254

🌟 Best Months to Visit

1. July82
67.9° / 43.4° · ☀️ 12.3h
1 foggy days · 6 rainy days
2. August78
67.1° / 43.2° · ☀️ 11.3h
2 foggy days · 6 rainy days
3. September53
60.4° / 39.6° · ☀️ 8.2h
4 foggy days · 10 rainy days

⚠️ Challenging Months

1. December6
33.1° / 22.2° · ☀️ 2.6h
💧 14.9" · 23 rainy days · 17 foggy days
2. November7
37.6° / 26.7° · ☀️ 3.4h
💧 12.2" · 21 rainy days · 14 foggy days
3. February9
35.3° / 22.6° · ☀️ 4.3h
💧 9.7" · 18 rainy days · 13 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
November 20243232.5° / 23.2°2.4h19d16.07"1
December 20243334.7° / 24.4°2.8h14d18.03"0
January 20254733.1° / 20.1°5.4h8d8.4"0
February 20253728° / 17.1°3.7h14d12.12"2
March 20253832.9° / 22.4°4.5h18d15.87"1
April 20255639.9° / 25.3°9.3h9d2.37"1
May 20256144.3° / 29.6°8.7h12d1.9"11
June 20258255.1° / 38.2°11.8h3d1.3"24
July 20259465.6° / 47°12.2h1d0.02"30
August 20259166° / 48.7°11h3d0.31"24
September 20258261.9° / 45.2°8.4h2d1.58"22
October 20254841.3° / 30.8°5.5h13d7.97"3
November 20254538.7° / 30.3°4.3h9d6.06"1
December 20253035.2° / 26.4°2.3h20d21.38"0
January 20264936.6° / 26.2°5.4h6d6.13"0
February 20264333.2° / 22.9°4.8h11d9.76"0
March 20264437.2° / 25.2°5.9h15d10.4"2
April 20265640° / 26.7°8.1h11d6.17"7
May 20267351.4° / 34.5°10.7h5d2.9"17
June 20267455.2° / 38.5°9.7h8d2.15"18
July 20269365.8° / 46.1°12.4h0d0.28"29
August 20269466.5° / 47.2°11.6h0d0.05"29
September 20267252.4° / 38.1°8h6d2.45"17
October 20266849.5° / 35.1°7h7d2.4"15
Last updated: 11/9/2026

Climate Trends

Average Temperature by Month

71°F57°F42°F27°F12°FNov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26Jun '26Jul '26Aug '26Sep '26Oct '26
Average High
Average Low
About the Three Fingered Jack climate charts

The temperature chart compares average monthly highs and lows at Three Fingered Jack, showing both the seasonal cycle and the typical day-to-night range. The comfort chart summarizes how often the combined weather pattern is favorable rather than judging temperature alone.

Precipitation shows the total recorded or modeled rainfall for each month at Three Fingered Jack. Sunshine compares average bright-sky hours with the daylight available, while fog shows the average number of morning fog or low-cloud hours per day. Switch between the chart tabs to compare the same months across each measure.

Snow Depth by Season

0″ on the ground as of Nov 13, compared with an average of 7.7″ on that date.

Now

0″

Typical peak

124″

Deepest

171″

2019–20

0″50″100″150″200″AugSepOctNovDecJanFebMarAprMayJunJul0″ now
This season (2026–27)AveragePast seasons (2003–04 to 2025–26)
About this chart and each season's peak

Each gray line is one winter at Three Fingered Jack (7,192 ft), from August through July. The dashed line is the average for each date, and the blue line is this season. Depths come from NOAA's daily SNODAS snow analysis, adjusted for the elevation of this spot, and are updated through Nov 13, 2026.

Peak snow depth each season
SeasonPeak depthPeak dateDays with 1″+
2025–2649″Mar 5174
2024–25159″Mar 22233
2023–24109″May 7238
2022–23135″Apr 3238
2021–22119″May 13226
2020–21124″Mar 26225
2019–20171″Apr 1237
2018–19136″Apr 12208
2017–1867″Apr 18217
2016–17121″Apr 28226
2015–16127″Mar 16211
2014–1534″Dec 30140
2013–1475″Apr 2194
2012–13149″Apr 17267
2011–12158″Apr 2288
2010–11162″Apr 30277
2009–10137″May 6268
2008–09132″Apr 4221
2007–08158″Apr 9252
2006–07104″Mar 3209
2005–0697″Apr 17237
2004–0571″Apr 14219
2003–0497″Mar 6222

Hourly Temperature, Wind, and Cloud Cover Patterns

Average local hour by month from 2016-05-01 to 2026-05-01

  • Temperature: At Three Fingered Jack, the warmest typical hour is 3 PM in August (65°F). The coldest is 7 AM in February (21°F).
  • Wind: Three Fingered Jack has no strong afternoon wind build-up. Afternoons average about 12 mph year-round, and January is the windiest month, with hourly averages near 15 mph.
  • Cloud Cover: July middays are the clearest at Three Fingered Jack (2% average cloud cover), and February middays are the cloudiest (17%).
How to read the hourly heatmaps for Three Fingered Jack

This heatmap shows how average temperature at Three Fingered Jack changes by hour and month. Read left to right for the seasons and top to bottom for the time of day. Warmer colors mark the usual afternoon peaks, and cooler colors show overnight and winter lows.

This heatmap shows the typical hourly wind pattern at Three Fingered Jack through the year. It makes recurring afternoon wind, calmer overnight periods, and seasonal changes easier to compare than a single daily wind value.

This heatmap shows average cloud cover at Three Fingered Jack for every month and hour. Use it to see whether cloudiness is mainly an overnight and morning pattern or commonly persists during the part of the day you plan to visit.

Each cell combines one month with one local hour. Hover over or focus on a cell for its value and sample coverage. The red marker shows the current month and hour.

Loading interactive climate heatmaps…

How recent months compared at Three Fingered Jack

  • October 2026 recap: October 2026 at Three Fingered Jack averaged a high of 49°F, 8°F warmer than October 2025 (41°F).

Location Details

📍
Coordinates
44.4790, -121.8433
⛰️
Elevation
7,834 ft
🏷️
Type
Viewpoint
🏷️
Tags
#mountain#summit#high-elevation#snow-level-sensitive#wind-exposed

Three Fingered Jack weather questions

Everything you need to know about weather and visiting Three Fingered Jack

What is the weather like at Three Fingered Jack today?

It's 24°F at Three Fingered Jack right now, with a comfort score of 13 (severe). Saturday's forecast high at Three Fingered Jack is 27°F, 11°F below the mid November normal of 38°F. The best window tomorrow is 8 AM to 11 AM, at about 26°F with a 15 mph wind (comfort 17).

What is the best month to visit Three Fingered Jack?

By typical temperature, wind, cloud, humidity, and precipitation odds, the most comfortable months at Three Fingered Jack are August, July, and September. The best hours are usually 1 PM to 4 PM in August, noon to 3 PM in July, and 2 PM to 5 PM in September. The warm season lasts about 3 months, from Jun 27 to Sep 24, when the average high is 59°F or warmer. Highs peak around Jul 8 at about 68°F.

What are the warmest and coldest months at Three Fingered Jack?

July is the warmest month at Three Fingered Jack, with an average high of 68°F. December is the coldest, with an average low of 22°F. Average lows at Three Fingered Jack are at or below freezing from Oct 26 to May 6.

When does the fog burn off at Three Fingered Jack?

Fog or low cloud covers Three Fingered Jack in 59% of 4 AM hours in February, the foggiest month. It often lingers, and 54% of mid-afternoon hours are still foggy. July mornings are the least foggy (6%).

Does it snow at Three Fingered Jack?

Yes, a lot. Three Fingered Jack is high-alpine terrain where snow can fall in any month. NOAA's HRRR model counts about 94 snowy days a winter here, averaged over the 2023-24 to 2025-26 winters. Its snowfall totals this high up are too uncertain to give.

How much rain and snow does Three Fingered Jack get?

December is the wettest month (14.9 in.), out of about 90.2 in. a year. The wet season runs from Oct 12 to Apr 29, when a day has at least a 50% chance of measurable precipitation. That stretch brings 82% of the year's precipitation.

How does Three Fingered Jack weather compare with Square Lake?

Square Lake sits 3,084 ft lower, 3.2 miles away. Its summer highs average 8°F warmer and its winter lows 1°F milder than Three Fingered Jack.

How smoky does Three Fingered Jack get in fire season?

NOAA's HRRR-Smoke model gives the area around Three Fingered Jack an average of 13 smoky days a fire season from 2021 to 2025. On each of those days, smoke held the air quality index at about 75 or higher for at least three hours. About 25 more days a season had lighter smoke.

How old is Three Fingered Jack?

Three Fingered Jack is a shield volcano, a broad cone built from fluid lava flows. It formed during the ice ages, likely 250,000 to 500,000 years ago, and has long been inactive. Erosion has worn it down to the ridge of spires seen today. Its first recorded ascent was in 1923.

How tall is Three Fingered Jack?

The Forest Service lists 7,841 feet, and other surveys give about 7,840 to 7,844 feet.

What kind of place is Three Fingered Jack?

Three Fingered Jack is a deeply eroded volcano of about 7,840 feet on the Cascade crest, just north of Santiam Pass in the Mount Jefferson Wilderness. Its jagged ridge of spires is a landmark from Highway 20, and the Pacific Crest Trail runs along its western flank.

What is Three Fingered Jack weather like in November?

November at Three Fingered Jack averages a high of 38°F and a low of 27°F, with 12.2 in. of precipitation over about 21 wet days. About 47% of morning hours are foggy. Afternoon wind averages 14 mph.

💡 Local Tip: Central Oregon weather can change dramatically within short distances and throughout the day. Always check current conditions before visiting Three Fingered Jack.

Data sources and methods

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