Glenn County Weather in August
Average highs run from 96°F on August 1 to 93°F on August 31, and lows from 61°F to 56°F. Normal precipitation for the month is 0.05 in over about 0 wet days.
August day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
August at a glance
- Average high
- 95°F
- Average low
- 59°F
- Precipitation
- 0.05 in
- Record high
- 116°FAug 1, 1914
- Record low
- 38°FAug 24, 1978
- Chance of a freeze
- 0%
- Days of 90°F or more
- 25.3
- Daylight
- 14 h 13 min to 13 h 05 min
- Cloud cover
- 14%
- Humidity
- 27%
- Dew point
- 38°F
- Wind
- 5.4 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 96°F | 61°F | 116°F 1914 | 49°F 1914 | 1% |
| Aug 2 | 96°F | 61°F | 109°F 1914 | 50°F 1919 | 1% |
| Aug 3 | 96°F | 61°F | 105°F 1916 | 50°F 1919 | 1% |
| Aug 4 | 96°F | 61°F | 109°F 1914 | 45°F 1914 | 1% |
| Aug 5 | 96°F | 61°F | 108°F 1910 | 48°F 1919 | 1% |
| Aug 6 | 96°F | 61°F | 111°F 1913 | 50°F 1982 | 1% |
| Aug 7 | 96°F | 60°F | 114°F 1908 | 48°F 1943 | 1% |
| Aug 8 | 95°F | 60°F | 112°F 1908 | 48°F 1914 | 1% |
| Aug 9 | 95°F | 60°F | 113°F 1978 | 47°F 1914 | 1% |
| Aug 10 | 95°F | 60°F | 114°F 1971 | 44°F 1907 | 1% |
| Aug 11 | 95°F | 60°F | 114°F 1971 | 46°F 1919 | 1% |
| Aug 12 | 95°F | 60°F | 110°F 1935 | 45°F 1919 | 1% |
| Aug 13 | 95°F | 59°F | 110°F 1933 | 48°F 1909 | 1% |
| Aug 14 | 95°F | 59°F | 115°F 1933 | 47°F 1993 | 1% |
| Aug 15 | 95°F | 59°F | 109°F 1920 | 49°F 1911 | 1% |
| Aug 16 | 95°F | 59°F | 108°F 1920 | 49°F 1955 | 1% |
| Aug 17 | 95°F | 59°F | 111°F 1939 | 48°F 1922 | 1% |
| Aug 18 | 94°F | 59°F | 107°F 1934 | 43°F 1916 | 1% |
| Aug 19 | 94°F | 58°F | 112°F 1919 | 49°F 1914 | 1% |
| Aug 20 | 94°F | 58°F | 109°F 1950 | 47°F 1914 | 2% |
| Aug 21 | 94°F | 58°F | 104°F 1912 | 49°F 1914 | 2% |
| Aug 22 | 94°F | 58°F | 110°F 1913 | 48°F 1908 | 2% |
| Aug 23 | 94°F | 58°F | 112°F 1913 | 44°F 1983 | 2% |
| Aug 24 | 94°F | 57°F | 112°F 1913 | 38°F 1978 | 2% |
| Aug 25 | 94°F | 57°F | 107°F 1931 | 48°F 1922 | 2% |
| Aug 26 | 94°F | 57°F | 112°F 2010 | 49°F 1945 | 2% |
| Aug 27 | 94°F | 57°F | 106°F 1931 | 46°F 1952 | 2% |
| Aug 28 | 94°F | 57°F | 111°F 1915 | 48°F 1907 | 2% |
| Aug 29 | 93°F | 57°F | 110°F 2017 | 45°F 1912 | 2% |
| Aug 30 | 93°F | 57°F | 110°F 1918 | 45°F 1912 | 2% |
| Aug 31 | 93°F | 56°F | 107°F 1987 | 47°F 1921 | 2% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:09 AM, sunset 8:22 PM
- August 31
- sunrise 6:37 AM, sunset 7:42 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00048587 (Stony Gorge Rsvr), public domain. Records: NOAA GHCN-Daily, station USC00041715, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.