Fossil Weather in August
Average highs run from 88°F on August 1 to 80°F on August 31, and lows from 46°F to 43°F. Normal precipitation for the month is 0.58 in over about 2 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
- 84°F
- Average low
- 45°F
- Precipitation
- 0.58 in
- Record high
- 110°FAug 10, 1898
- Record low
- 35°FAug 24, 1910
- Chance of a freeze
- 20%
- Days of 90°F or more
- 9.8
- Daylight
- 14 h 41 min to 13 h 17 min
- Cloud cover
- 29%
- Humidity
- 54%
- Dew point
- 46°F
- Wind
- 6.9 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Aug 1 | 88°F | 46°F | 101°F 2009 | 42°F 1963 | 5% | 0% |
| Aug 2 | 88°F | 46°F | 105°F 2009 | 42°F 1964 | 5% | 0% |
| Aug 3 | 87°F | 46°F | 99°F 1978 | 43°F 1955 | 5% | 0% |
| Aug 4 | 87°F | 46°F | 103°F 1961 | 41°F 1950 | 5% | 0% |
| Aug 5 | 87°F | 46°F | 108°F 1998 | 38°F 1909 | 5% | 0% |
| Aug 6 | 87°F | 46°F | 104°F 1972 | 40°F 1909 | 5% | 0% |
| Aug 7 | 87°F | 46°F | 105°F 1972 | 39°F 1946 | 5% | 0% |
| Aug 8 | 87°F | 46°F | 104°F 1972 | 41°F 1938 | 5% | 0% |
| Aug 9 | 86°F | 46°F | 103°F 1898 | 41°F 1954 | 5% | 0% |
| Aug 10 | 86°F | 46°F | 110°F 1898 | 43°F 1947 | 5% | 0% |
| Aug 11 | 86°F | 45°F | 103°F 1996 | 42°F 1907 | 5% | 0% |
| Aug 12 | 86°F | 45°F | 101°F 1971 | 42°F 1899 | 5% | 0% |
| Aug 13 | 86°F | 45°F | 102°F 1977 | 41°F 1955 | 5% | 0% |
| Aug 14 | 85°F | 45°F | 104°F 1992 | 41°F 1899 | 5% | 0% |
| Aug 15 | 85°F | 45°F | 100°F 1992 | 40°F 1910 | 5% | 0% |
| Aug 16 | 85°F | 45°F | 102°F 1967 | 39°F 1910 | 5% | 0% |
| Aug 17 | 84°F | 45°F | 105°F 1897 | 42°F 1911 | 5% | 0% |
| Aug 18 | 84°F | 45°F | 105°F 1897 | 39°F 1902 | 5% | 0% |
| Aug 19 | 84°F | 44°F | 105°F 1897 | 37°F 1916 | 5% | 0% |
| Aug 20 | 83°F | 44°F | 108°F 1897 | 39°F 1948 | 5% | 0% |
| Aug 21 | 83°F | 44°F | 106°F 1897 | 39°F 1910 | 5% | 0% |
| Aug 22 | 83°F | 44°F | 102°F 1897 | 39°F 1960 | 5% | 0% |
| Aug 23 | 82°F | 44°F | 101°F 1897 | 41°F 1899 | 5% | 0% |
| Aug 24 | 82°F | 44°F | 97°F 1898 | 35°F 1910 | 5% | 0% |
| Aug 25 | 82°F | 44°F | 100°F 1958 | 35°F 1910 | 5% | 0% |
| Aug 26 | 81°F | 44°F | 98°F 1958 | 41°F 1895 | 6% | 0% |
| Aug 27 | 81°F | 43°F | 98°F 1934 | 38°F 1907 | 6% | 0% |
| Aug 28 | 81°F | 43°F | 99°F 1972 | 36°F 1902 | 6% | 0% |
| Aug 29 | 80°F | 43°F | 102°F 1915 | 37°F 1980 | 6% | 0% |
| Aug 30 | 80°F | 43°F | 99°F 1919 | 35°F 1907 | 6% | 0% |
| Aug 31 | 80°F | 43°F | 97°F 2007 | 35°F 1907 | 6% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 5:46 AM, sunset 8:27 PM
- August 31
- sunrise 6:22 AM, sunset 7:39 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00353038 (Fossil), public domain. Records: NOAA GHCN-Daily, station USC00353827, 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.