Pendleton, OR

Oregon · Records since 1892–2026

🌙 62°F Feels like 59°
Currently in Pendleton
As of 3:45 AM PDT

Records for August 11

🔥 Record High

105°F

August 11, 1933

+16° from 89° normal

❄ Record Low

38°F

August 11, 1896

-19° from 57° normal
🌞 Normal high: 89°F 🌑 Normal low: 57°F 1991–2020 normals

All-Time Records — Pendleton

🔥
119°F
Hottest Day Ever
Aug 10, 1898
-28°F
Coldest Day Ever
Dec 13, 1919
🌧
2.19"
Wettest Day Ever
Aug 16, 1993
16.1"
Most Snow in One Day
Feb 24, 1994

Top 10 Record Highs — August 11

# Temp Date
🏆 105°F August 11, 1933
2 104°F August 11, 1971
3 104°F August 11, 1930
4 102°F August 11, 2021
5 102°F August 11, 1981
6 102°F August 11, 1967
7 102°F August 11, 1929
8 102°F August 11, 1898
9 101°F August 11, 1906
10 100°F August 11, 2025

Top 5 Record Lows — August 11

# Temp Date
🥶 38°F August 11, 1896
2 43°F August 11, 1931
3 43°F August 11, 1911
4 44°F August 11, 1917
5 46°F August 11, 2007
About this data — Records are sourced from the NOAA Threadex dataset via RCC ACIS, a quality-controlled record for long-term climate stations. Threadex adjusts for station relocations and observation-time changes, making records comparable across all years since 1892–2026. Climate normals represent the 1991–2020 average.

Heat Wave Summary — Pendleton

threshold: 98°F (90th percentile of historical Jun–Aug highs)
4.6
Avg heat wave length
days (historical)
105°
Avg peak temp
during heat waves
2
Dangerous nights 2026
Overnights ≥ 70°F
0
Heat waves 2026
so far

2026 Daily High Temperature vs Normal

Year to date
Above normal Below normal

128 of 221 days with data were above the 1991–2020 normal high for their date.


Days ≥ 90°F Per Year

1892–2026
21
2026 so far
39
Avg/year 1970–2025
45
Avg/year (last 10 complete)
75
Most in a year (1931)

Average Daily High by Decade

Full year · complete decades only


Longest Heat Waves — Pendleton

# Dates Days Peak Avg High Avg Overnight Low
🏆 Jun 26, 2015 – Jul 9, 2015 14 109°F (Jun 27) 102°F 66°F
2 Aug 9, 1967 – Aug 20, 1967 12 105°F (Aug 16) 102°F 66°F
3 Jul 16, 1931 – Jul 26, 1931 11 110°F (Jul 20) 103°F 52°F
4 Aug 7, 1933 – Aug 17, 1933 11 108°F (Aug 16) 104°F 55°F
5 Aug 5, 1898 – Aug 14, 1898 10 119°F (Aug 10) 105°F 57°F
6 Jul 18, 1905 – Jul 26, 1905 9 114°F (Jul 21) 105°F 59°F
7 Aug 15, 1897 – Aug 23, 1897 9 109°F (Aug 19) 104°F 52°F
8 Aug 22, 1915 – Aug 30, 1915 9 106°F (Aug 29) 102°F 57°F
9 Aug 23, 1916 – Aug 31, 1916 9 104°F (Aug 28) 101°F 53°F
10 Jul 15, 1971 – Jul 23, 1971 9 104°F (Jul 20) 100°F 67°F

Heat Waves Per Year


Warm Summer Nights (Jun–Aug)

Nights where the overnight low exceeded the 1991–2020 normal low

33
2026 so far
above-normal nights
47.6
Avg / summer
1970–2020
81
Most in a summer
1958

Above-Normal Summer Nights Per Year

Average June–August Low by Decade

Overnight lows · complete decades only

Precipitation

Actual vs. 1991–2020 full-month and full-season normals

5.19"
2026 YTD
Normal: 8.10"
-2.91"
0.00"
August so far
August normal: 0.31"
-0.31"
0.17"
Summer so far
Summer normal: 1.62"
-1.45"
0
2026 heavy rain days
Days with ≥ 1.0"

Monthly Precipitation — Last 24 Months

Blue = actual · dashed line = monthly normal

Annual Precipitation Per Year (1970–2026)

Blue = above average · tan = below average · gold = 2026 (partial)

Heavy Rain Days Per Year (≥ 1.0")

Compare year-to-year changes in days with heavy rainfall (≥ 1.0")

Month in Review — July 2026

73.5°F

Average temperature · July 2026

78th-warmest month on record

56th-warmest July of 131 on record

+0.3° vs. 73.2° average (1991–2020)
79.6°F
Warmest month ever
August 1967
78.4°F
Warmest July ever
1975
12
Days ≥ 90°F
in July
100°F
Hottest of 2026
Jul 15

Longest 90°F Streak in July

4 consecutive days with highs of at least 90°F (Jul 13–16, 2026, peaking at 100°F)

Ties the longest July streak since 2025 (1 year). The July record is 30 days, set in 1906.


Average July Temperature by Year

1893–2026 · 2026 highlighted


Warmest Julys on Record

# Year Avg Temp
1 1975 78.4°F
2 1960 78.3°F
3 2024 77.9°F
4 2014 77.6°F
5 1958 77.5°F
6 2021 77.5°F
7 1906 77.4°F
8 1985 77.4°F
9 2022 77.4°F
10 1998 77.3°F

Warmest Months on Record (Any Month)

# Month Avg Temp
1 August 1967 79.6°F
2 July 1975 78.4°F
3 July 1960 78.3°F
4 August 2022 78.2°F
5 July 2024 77.9°F
6 July 2014 77.6°F
7 July 1958 77.5°F
8 July 2021 77.5°F
9 July 1906 77.4°F
10 July 1985 77.4°F

Nearby Stations — July 2026

How the same month ranked at the closest reporting stations

Station Avg Temp July Rank
Pendleton, OR 73.5°F 56th of 131
Tri-Cities, WA 76.2°F 41st of 119
Baker City, OR 69.0°F 21st of 99
Lewiston, ID 77.3°F 37th of 133
Yakima, WA 73.8°F 21st of 80
About this data. Monthly averages are the mean of daily average temperatures, computed from NOAA Threadex records via RCC ACIS. Months missing more than three days of observations are excluded from the rankings, so the in-progress month never appears. Rankings cover 1536 complete months on record.