Blackhawk Weather in August
Average highs run from 83°F on August 1 to 82°F on August 31, and lows from 62°F to 61°F. Normal precipitation for the month is 0.03 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
- 83°F
- Average low
- 61°F
- Precipitation
- 0.03 in
- Record high
- 112°FAug 1, 1946
- Record low
- 40°FAug 7, 1977
- Chance of a freeze
- 0%
- Days of 90°F or more
- 7.9
- Daylight
- 14 h 05 min to 13 h 01 min
- Cloud cover
- 15%
- Humidity
- 61%
- Dew point
- 51°F
- Wind
- 10.7 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 | 83°F | 62°F | 112°F 1946 | 46°F 1916 | 1% | 0% |
| Aug 2 | 83°F | 62°F | 105°F 1969 | 45°F 1910 | 1% | 0% |
| Aug 3 | 83°F | 62°F | 108°F 1998 | 47°F 1919 | 1% | 0% |
| Aug 4 | 83°F | 62°F | 110°F 1998 | 43°F 1972 | 1% | 0% |
| Aug 5 | 83°F | 62°F | 108°F 1978 | 44°F 1977 | 1% | 0% |
| Aug 6 | 83°F | 61°F | 109°F 1913 | 43°F 1917 | 1% | 0% |
| Aug 7 | 83°F | 61°F | 106°F 1905 | 40°F 1977 | 1% | 0% |
| Aug 8 | 83°F | 61°F | 107°F 1936 | 41°F 1935 | 1% | 0% |
| Aug 9 | 83°F | 61°F | 107°F 1984 | 46°F 1943 | 1% | 0% |
| Aug 10 | 83°F | 61°F | 108°F 1935 | 48°F 1907 | 1% | 0% |
| Aug 11 | 83°F | 61°F | 107°F 1933 | 49°F 1904 | 1% | 0% |
| Aug 12 | 83°F | 61°F | 105°F 1996 | 44°F 1972 | 1% | 0% |
| Aug 13 | 83°F | 61°F | 110°F 1933 | 47°F 1911 | 1% | 0% |
| Aug 14 | 83°F | 61°F | 106°F 1906 | 45°F 1974 | 1% | 0% |
| Aug 15 | 83°F | 61°F | 108°F 1967 | 41°F 1972 | 1% | 0% |
| Aug 16 | 83°F | 61°F | 107°F 2022 | 40°F 1972 | 1% | 0% |
| Aug 17 | 83°F | 61°F | 106°F 1939 | 45°F 1935 | 1% | 0% |
| Aug 18 | 83°F | 61°F | 109°F 1950 | 40°F 1916 | 1% | 0% |
| Aug 19 | 83°F | 61°F | 111°F 1950 | 42°F 1916 | 1% | 0% |
| Aug 20 | 83°F | 61°F | 103°F 1960 | 46°F 1916 | 1% | 0% |
| Aug 21 | 83°F | 61°F | 106°F 1950 | 41°F 1910 | 1% | 0% |
| Aug 22 | 83°F | 61°F | 105°F 1910 | 45°F 1973 | 1% | 0% |
| Aug 23 | 83°F | 61°F | 109°F 1913 | 45°F 1973 | 1% | 0% |
| Aug 24 | 83°F | 61°F | 110°F 1913 | 43°F 1964 | 1% | 0% |
| Aug 25 | 83°F | 61°F | 105°F 2010 | 43°F 1963 | 1% | 0% |
| Aug 26 | 83°F | 61°F | 105°F 1944 | 42°F 1912 | 1% | 0% |
| Aug 27 | 83°F | 61°F | 109°F 1944 | 42°F 1912 | 1% | 0% |
| Aug 28 | 82°F | 61°F | 108°F 1915 | 42°F 1912 | 1% | 0% |
| Aug 29 | 82°F | 61°F | 107°F 1915 | 44°F 1905 | 1% | 0% |
| Aug 30 | 82°F | 61°F | 105°F 1968 | 44°F 1912 | 2% | 0% |
| Aug 31 | 82°F | 61°F | 106°F 1955 | 45°F 1905 | 2% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:11 AM, sunset 8:16 PM
- August 31
- sunrise 6:37 AM, sunset 7:38 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045915 (Mt Diablo Junction), public domain. Records: NOAA GHCN-Daily, station USC00044997, 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.