Tam McArthur Rim Weather

ViewpointCentral Oregon

44°
😐
Comfort Score
66(C)
Good
Weather updated September 1, 2026 at 4:23 AM PDT

Tam McArthur Rim weather at a glance

Tam McArthur Rim is a viewpoint at 7,700 feet in Central Oregon. Notable features include viewpoint and wilderness.

Current conditions are 44°F, feeling like 37°F, with 35% humidity, winds near 5 mph, 78% cloud cover, and a 0% chance of precipitation. Cold with some clouds.

The location-specific climate baseline shows an average daily high of 57°F and an average low of 38°F, with about 8.8 hours of sunshine per day and 0.4 hours of morning fog per day. Expected annual precipitation is approximately 21.4 inches.

Plan your week

10-Day Forecast

  1. Today
    Sep 1
    59°41°
    Comfort
    71
    10%
    Precip 0 in
  2. Wed
    Sep 2
    42°31°
    Comfort
    42
    98%
    Rain 0.72 in
  3. Thu
    Sep 3
    39°30°
    Comfort
    46
    70%
    Snow 0.40 in
  4. Fri
    Sep 4
    37°27°
    Comfort
    47
    64%
    Snow 0.20 in
  5. Sat
    Sep 5
    45°27°
    Comfort
    60
    34%
    Rain 0.15 in
  6. Sun
    Sep 6
    55°36°
    Comfort
    70
    47%
    Rain 0.40 in
  7. Mon
    Sep 7
    43°36°
    Comfort
    57
    33%
    Rain 0.31 in
  8. Tue
    Sep 8
    57°33°
    Comfort
    80
    9%
    Precip 0 in
  9. Best day
    Wed
    Sep 9
    63°39°
    Comfort
    86
    10%
    Precip 0 in
  10. Thu
    Sep 10
    56°37°
    Comfort
    77
    7%
    Precip 0 in

Pick your time

Hourly Forecast

  1. Today
    Now
    45°
    Comfort
    66
    0%
    0 in
  2. Today
    5 AM
    43°
    Comfort
    64
    0%
    0 in
  3. Today
    6 AM
    42°
    Comfort
    58
    1%
    0 in
  4. Sunrise6:30 AM
  5. Today
    7 AM
    43°
    Comfort
    59
    2%
    0 in
  6. Today
    8 AM
    46°
    Comfort
    62
    1%
    0 in
  7. Today
    9 AM
    48°
    Comfort
    68
    1%
    0 in
  8. Today
    10 AM
    51°
    Comfort
    74
    1%
    0 in
  9. Today
    11 AM
    54°
    Comfort
    79
    1%
    0 in
  10. Today
    12 PM
    56°
    Comfort
    82
    1%
    0 in
  11. Today
    1 PM
    57°
    Comfort
    78
    3%
    0 in
  12. Today
    2 PM
    58°
    Comfort
    79
    5%
    0 in
  13. Today
    3 PM
    59°
    Comfort
    78
    10%
    0 in
  14. Today
    4 PM
    57°
    Comfort
    71
    8%
    0 in
  15. Today
    5 PM
    54°
    Comfort
    67
    3%
    0 in
  16. Today
    6 PM
    52°
    Comfort
    65
    4%
    0 in
  17. Today
    7 PM
    49°
    Comfort
    58
    5%
    0 in
  18. Sunset7:42 PM
  19. Today
    8 PM
    47°
    Comfort
    62
    5%
    0 in
  20. Today
    9 PM
    44°
    Comfort
    60
    4%
    0 in
  21. Today
    10 PM
    43°
    Comfort
    59
    4%
    0 in
  22. Today
    11 PM
    41°
    Comfort
    58
    3%
    0 in
  23. Wed
    12 AM
    41°
    Comfort
    58
    5%
    0 in
  24. Wed
    1 AM
    38°
    Comfort
    58
    6%
    0 in
  25. Wed
    2 AM
    38°
    Comfort
    57
    7%
    0 in
  26. Wed
    3 AM
    37°
    Comfort
    56
    5%
    0 in
  27. Wed
    4 AM
    36°
    Comfort
    61
    4%
    0 in
  28. Wed
    5 AM
    34°
    Comfort
    58
    3%
    0 in
  29. Wed
    6 AM
    33°
    Comfort
    58
    3%
    0 in
  30. Sunrise6:31 AM
  31. Wed
    7 AM
    33°
    Comfort
    55
    2%
    0 in
  32. Wed
    8 AM
    38°
    Comfort
    51
    2%
    0 in
  33. Wed
    9 AM
    38°
    Comfort
    50
    3%
    0 in
  34. Wed
    10 AM
    38°
    Comfort
    48
    11%
    0.02 in
  35. Wed
    11 AM
    38°
    Comfort
    39
    21%
    0.07 in
  36. Wed
    12 PM
    39°
    Comfort
    38
    42%
    0.13 in
  37. Wed
    1 PM
    41°
    Comfort
    43
    66%
    0.10 in
  38. Wed
    2 PM
    42°
    Comfort
    47
    86%
    0.09 in
  39. Wed
    3 PM
    42°
    Comfort
    43
    87%
    0.11 in
  40. Wed
    4 PM
    37°
    Comfort
    43
    94%
    0.06 in
  41. Wed
    5 PM
    37°
    Comfort
    47
    94%
    0.02 in
  42. Wed
    6 PM
    36°
    Comfort
    49
    98%
    0.02 in
  43. Wed
    7 PM
    34°
    Comfort
    42
    98%
    0.06 in
  44. Sunset7:41 PM
  45. Wed
    8 PM
    31°
    Comfort
    52
    98%
    0.02 in
  46. Wed
    9 PM
    31°
    Comfort
    52
    98%
    <0.01 in
  47. Wed
    10 PM
    32°
    Comfort
    46
    98%
    0.01 in
  48. Wed
    11 PM
    32°
    Comfort
    43
    98%
    0.04 in
  49. Thu
    12 AM
    33°
    Comfort
    49
    70%
    <0.01 in
  50. Thu
    1 AM
    32°
    Comfort
    43
    70%
    0 in
  51. Thu
    2 AM
    32°
    Comfort
    53
    70%
    <0.01 in
  52. Thu
    3 AM
    31°
    Comfort
    50
    70%
    0.02 in

Current Conditions

Temperature
44°F
Feels like 37°F
Humidity
35%
Dew point 18°F
Wind
5 mph
NW • Gusts 5 mph
Cloud Cover
78%
High clouds
Precip Chance
0%
Air Quality
68
Moderate

Comfort Breakdown

Less comfortableMore comfortable
Thermal34
Wind100
Night Sky97
Moisture76
Precipitation100
Air Quality
AQI 68 · Moderate
100

Weather Maps

About the weather maps for Tam McArthur Rim

Each preview is centered on Tam McArthur Rim, with the red pin marking its approximate location. Satellite imagery provides cloud context, radar shows nearby precipitation, and the fog view shows the marine-layer or low-cloud field when that regional layer is available.

These images cover a wider area than the point forecast, so a nearby cloud or rain band may not be directly over Tam McArthur Rim. Open a preview for the interactive map and its latest timestamp before making a weather-sensitive decision.

Climate Dashboard

Current conditions vs. HRRR rolling destination baseline

Today's High vs Normal
59°Fforecast
28° below normal
Normal: 87°F
Rainfall Year-to-Date
6.5"
28% below average
30-yr avg: 9.0"
Sunny Days
21last 28 days
6 fewer than baseline
Typical: 27
Foggy Days
0last 28 days
About average
Avg Wind Speed
6.9 mphlast 28 days
1.0 mph windier than baseline
Typical: 5.8 mph
Comfort Score
8128-day avg
4 pts below typical
Recent baseline: 85
What the Tam McArthur Rim climate comparisons mean

These cards compare recent conditions at Tam McArthur Rim 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 Tam McArthur Rim 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.

Historical Climate Data

Long-term weather patterns and climate data

Data sources: NOAA HRRR rolling destination baseline for recent temperature, precipitation, fog, cloud, wind, humidity, and sunshine signals.

Climate Overview

Based on HRRR rolling destination baseline (2024-06-01 to 2026-05-01)

75
Avg Comfort
57.5°
Avg High
38°
Avg Low
55%
Perfect Days
☀️ Avg Sunshine8.8h/day
🌫️ Avg Fog0.4h/day
💧 Avg Annual Rain21.4"
🌧️ Rainy Days/yr84 (23%)
🌫️ Foggy Days/yr16
✨ Perfect Days (80+)383

🌟 Best Months to Visit

1. June92
70.7° / 46.1° · ☀️ 12.3h
0 foggy days · 2 rainy days
2. July91
82.4° / 55.6° · ☀️ 12.5h
0 foggy days · 1 rainy days
3. August90
78.7° / 53.1° · ☀️ 11.2h
0 foggy days · 2 rainy days

⚠️ Challenging Months

1. February23
38.8° / 23.9° · ☀️ 6.1h
💧 2.8" · 13 rainy days · 5 foggy days
2. December26
41.6° / 28.6° · ☀️ 4.8h
💧 8.3" · 17 rainy days · 2 foggy days
3. January28
39.5° / 25.1° · ☀️ 5.7h
💧 1.7" · 7 rainy days · 5 foggy days

Monthly Breakdown

MonthComfortHigh/Low☀️ Sun🌫️ Fog💧 RainPerfect
June 20249469.7° / 45.3°12.1h0d0.68"28
July 20249384.5° / 56.4°12.9h0d0"31
August 20249477.6° / 51.3°11h0d0.07"30
September 20249473.6° / 48.6°10.2h0d0.03"30
October 20247959.4° / 38.5°7.3h0d0.56"18
November 20245142° / 30.2°5.2h0d5.18"3
December 20244639.1° / 26.4°4.3h1d7.14"0
January 20255438.9° / 22.5°5.6h4d1.8"1
February 20255135.1° / 20°5.5h3d4.59"2
March 20256143.8° / 28.8°7.6h2d4.62"7
April 20258252° / 33°10.5h1d0.24"22
May 20258960.9° / 39°12h0d0.4"26
June 20259671.8° / 46.7°12.4h0d0.06"28
July 20259680.2° / 54.7°12.2h0d0.08"31
August 20259679.7° / 54.8°11.4h0d0.04"31
September 20259274.6° / 50.5°9.4h0d0.21"27
October 20257354.3° / 35.3°6.9h2d1.85"17
November 20256448° / 34.4°5.4h2d1.04"6
December 20255343.9° / 30.7°5.2h3d9.06"3
January 20265540.1° / 27.9°5.7h6d1.36"3
February 20266142.3° / 27.8°6.7h6d1.58"6
March 20267250.3° / 33.8°8.5h2d1.67"14
April 20267752.7° / 32.9°9.8h0d1.88"18
May 202610070.6° / 41.1°12h0d0"1
Last updated: 7/27/2026

Climate Trends

Average Temperature by Month

91°F72°F52°F33°F14°FJun '24Jul '24Aug '24Sep '24Oct '24Nov '24Dec '24Jan '25Feb '25Mar '25Apr '25May '25Jun '25Jul '25Aug '25Sep '25Oct '25Nov '25Dec '25Jan '26Feb '26Mar '26Apr '26May '26
Average High
Average Low
About the Tam McArthur Rim climate charts

The temperature chart compares average monthly highs and lows at Tam McArthur Rim, 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 Tam McArthur Rim. 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.

Hourly Temperature, Wind, and Cloud Cover Patterns

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

How to read the temperature heatmap for Tam McArthur Rim

This heatmap shows how average temperature at Tam McArthur Rim changes by hour and month. Read left to right for the seasons and top to bottom for the time of day; warmer colors identify the usual afternoon peaks and cooler colors show overnight and winter lows.

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.

How to read the wind heatmap for Tam McArthur Rim

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

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.

How to read the cloud cover heatmap for Tam McArthur Rim

This heatmap shows average cloud cover at Tam McArthur Rim 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…

Location Details

📍
Coordinates
44.2064, -121.6269
⛰️
Elevation
7700 ft
🏷️
Type
Viewpoint
🏷️
Tags
#viewpoint#wilderness
Map
Loading map...
Get Directions →

Frequently Asked Questions

Everything you need to know about weather and visiting Tam McArthur Rim

What is the weather at Tam McArthur Rim right now?

Current conditions at Tam McArthur Rim are 44°F, feeling like 37°F, with 35% humidity, winds near 5 mph, 78% cloud cover, and a 0% chance of precipitation. Cold with some clouds

What temperatures are typical at Tam McArthur Rim?

The location-specific record for 2024-06-01 through 2026-05-01 shows an average daily high of 57°F and an average low of 38°F at Tam McArthur Rim. These are averages across the year; the monthly climate table on this page shows the warmer and cooler seasons separately.

How much rain does Tam McArthur Rim get?

The location-specific climate baseline estimates about 21.4 inches of precipitation and 84 days with measurable rain in a typical year at Tam McArthur Rim. The monthly breakdown shows when that rain is most likely.

How often is Tam McArthur Rim foggy?

Tam McArthur Rim averages about 0.4 hours of morning fog per day across the location-specific climate baseline, with approximately 16 foggy days in a typical year. Fog varies considerably by season, so check the monthly breakdown and current forecast for visit planning.

What are the best months to visit Tam McArthur Rim for comfortable weather?

Based on the destination's recorded comfort, temperature, sunshine, rain, and fog data, the strongest months are May 2026 (71°F/41°F average high/low and a 100 comfort score), June 2025 (72°F/47°F average high/low and a 96 comfort score), and July 2025 (80°F/55°F average high/low and a 96 comfort score). “Best” depends on the activity, so use the monthly table for the exact tradeoffs.

What kind of destination is Tam McArthur Rim?

Tam McArthur Rim is a viewpoint at 7,700 feet. Notable features include viewpoint and wilderness.

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