Mount Jefferson Weather

Viewpoint • Central Oregon

Oregon's second-highest summit and a major high-elevation weather anchor in the northern Cascades.

44°

😐

Comfort Score

60(C)

Good

Weather updated July 31, 2026 at 3:53 AM PDT

Current Conditions

Temperature

44°F

Feels like 39°F

Humidity

16%

Wind

8 mph

NW • Gusts 9 mph

Cloud Cover

Precip Chance

Air Quality

Good

Comfort Breakdown

Less comfortableMore comfortable

Temperature0

Wind54

Stars Visible100

Humidity75

Precipitation100

Air Quality

AQI 29 · Good

100

Hourly Forecast

Today

Time	Temp	Comfort	AQI	Wind	Precip	Conditions
Now	44°	60 (C)	29 Observed	8 mph	0%	☀️ Sunny
5am	43°	61 (C)	72 AQI-eq	6 mph	0%	☀️ Sunny
6am	43°	56 (C-)	72 AQI-eq	10 mph	0%	☀️ Sunny
7am	43°	54 (C-)	51 AQI-eq	11 mph	0%	☀️ Sunny
8am	46°	54 (C-)	52 AQI-eq	11 mph	0%	☀️ Sunny
9am	52°	62 (C)	37 AQI-eq	9 mph	0%	☀️ Sunny
10am	54°	70 (B-)	26 AQI-eq	7 mph	0%	☀️ Sunny
11am	55°	77 (B)	31 AQI-eq	5 mph	0%	☀️ Sunny
12pm	56°	79 (B)	41 AQI-eq	5 mph	0%	☀️ Sunny
1pm	57°	80 (B)	51 AQI-eq	5 mph	0%	☀️ Sunny
2pm	57°	80 (B)	46 AQI-eq	7 mph	0%	☀️ Sunny
3pm	56°	79 (B)	37 AQI-eq	8 mph	0%	☀️ Sunny

Weather Maps

Satellite

GOES-West Infrared

Radar

Precipitation

8 mph

Gusts 9 mph

Wind

Coming soon

7-Day Forecast

Day	High/Low	Comfort	Precip	Conditions
Today	57° / 42°	63 (C)	0%	☀️ Sunny
Sat	40° / 26°	43 (D)	10%	☀️ Sunny
Sun	47° / 20°	63 (C)	0%	☀️ Sunny
Mon	51° / 17°	7 (F)	0%	☀️ Sunny
Tue	56° / 30°	9 (F)	0%	☀️ Sunny
Wed	68° / 34°	22 (F)	0%	☀️ Sunny
Thu🏆 Best	71° / 38°	81 (B)	1%	☀️ Sunny

Best day this week: Thu (Comfort score: 81)

Nearby Temperature Comparison

Conditions at nearby Central Oregon destinations

Round Butte Overlook26 mi

60°+16°F warmer89 (A-)

The Cove Palisades State Park28 mi

59°+15°F warmer87 (A-)

Whychus Creek Trailhead29 mi

59°+15°F warmer87 (A-)

Lake Simtustus27 mi

59°+15°F warmer87 (A-)

Pelton Park27 mi

59°+15°F warmer87 (A-)

Black Butte Ranch23 mi

58°+14°F warmer86 (A-)

Tip: Central Oregon temps can vary 20-30°F within a short distance due to microclimates.

Climate Dashboard

Current conditions vs. HRRR rolling destination baseline

Today's High vs Normal

57°Fforecast

1° below normal

Normal: 59°F

Rainfall Year-to-Date

44.4"

19% below average

30-yr avg: 54.9"

Sunny Days

18last 28 days

9 fewer than baseline

Typical: 27

Foggy Days

8last 28 days

vs 1 typical

Foggier than usual

Avg Wind Speed

10.6 mphlast 28 days

1.6 mph windier than baseline

Typical: 9.0 mph

Comfort Score

5228-day avg

3 pts below typical

Recent baseline: 55

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)

Avg Comfort

39.4°

Avg High

27.5°

Avg Low

25%

Perfect Days

☀️ Avg Sunshine7.3h/day

🌫️ Avg Fog2h/day

💧 Avg Annual Rain107"

🌧️ Rainy Days/yr135 (37%)

🌫️ Foggy Days/yr112

✨ Perfect Days (80+)175

🌟 Best Months to Visit

1. July82

59.3° / 44.9° · ☀️ 12.3h

1 foggy days · 2 rainy days

2. August65

55.4° / 42.7° · ☀️ 10.8h

3 foggy days · 4 rainy days

3. September56

52.9° / 40° · ☀️ 9.2h

3 foggy days · 5 rainy days

⚠️ Challenging Months

1. December6

30.1° / 19.6° · ☀️ 2.6h

💧 25.6" · 21 rainy days · 19 foggy days

2. November7

30.4° / 21.1° · ☀️ 3.4h

💧 15.6" · 20 rainy days · 16 foggy days

3. February9

24.9° / 13.8° · ☀️ 4.1h

💧 14.1" · 17 rainy days · 13 foggy days

Monthly Breakdown

Month	Comfort	High/Low	☀️ Sun	🌫️ Fog	💧 Rain	Perfect
June 2024	66	46.4° / 33.1°	10.2h	6d	4.98"	15
July 2024	91	61.6° / 46.7°	12.7h	1d	0.11"	27
August 2024	78	54.2° / 40.8°	10.5h	2d	0.51"	16
September 2024	77	52.1° / 38.6°	9.6h	3d	1.09"	17
October 2024	53	40° / 28°	5.6h	8d	7.76"	7
November 2024	30	27.4° / 17.3°	2.4h	20d	21.36"	0
December 2024	31	29.6° / 18°	2.8h	17d	25.56"	0
January 2025	47	29.9° / 16.7°	5.5h	7d	10.91"	0
February 2025	35	22.6° / 10.6°	3.6h	13d	15.29"	0
March 2025	33	25.7° / 15.9°	4.3h	18d	21.94"	1
April 2025	55	32.7° / 19.2°	9.4h	8d	4.43"	0
May 2025	57	39.6° / 27.8°	9.3h	11d	2.84"	5
June 2025	77	50.1° / 36.4°	11.9h	2d	1.87"	17
July 2025	86	57° / 43.2°	12h	1d	0.06"	26
August 2025	82	56.7° / 44.4°	10.9h	4d	0.73"	22
September 2025	76	53.7° / 41.4°	8.8h	2d	1.51"	20
October 2025	46	36.5° / 26.7°	5.9h	11d	10.83"	2
November 2025	39	33.3° / 24.8°	4.4h	11d	9.73"	0
December 2025	30	30.3° / 20.9°	2.2h	21d	25.3"	0
January 2026	45	32.6° / 21.8°	5.1h	9d	9.48"	0
February 2026	40	27.1° / 16.9°	4.6h	12d	13.16"	0
March 2026	39	31.3° / 20.5°	5.3h	16d	12.95"	0
April 2026	50	32° / 20.4°	8h	9d	9.17"	0
May 2026	0	0° / 0°	0h	0d	0"	0

Last updated: 7/27/2026

Climate Trends

Average Temperature by Month

Average High

Average Low

Hourly Temperature, Wind, and Cloud Cover Patterns

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

Average Hourly Temperature in Mount Jefferson

frigid

<32°F

very cold

32-45°F

cold

45-55°F

cool

55-65°F

comfortable

65-75°F

warm

75-85°F

hot

85-95°F

sweltering

95°F+

Average Hourly Wind Speed in Mount Jefferson

calm

<4 mph

light

4-8 mph

breezy

8-12 mph

windy

12-18 mph

strong

18+ mph

Average Hourly Cloud Cover in Mount Jefferson

clear

<15%

mostly clear

15-35%

partly cloudy

35-60%

mostly cloudy

60-85%

overcast

85%+

Location Details

📍

Coordinates

44.6742, -121.7995

⛰️

Elevation

10489 ft

🏷️

Type

Viewpoint

🏷️