Mountain View Weather in August
Average highs run from 80°F on August 1 to 75°F on August 31, and lows from 48°F to 42°F. Normal precipitation for the month is 0.82 in over about 8 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
- 78°F
- Average low
- 45°F
- Precipitation
- 0.82 in
- Record high
- 92°FAug 5, 1979
- Record low
- 28°FAug 30, 1993
- Chance of a freeze
- 23%
- Daylight
- 14 h 21 min to 13 h 09 min
- Cloud cover
- 42%
- Humidity
- 42%
- Dew point
- 38°F
- Wind
- 8.3 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 | 80°F | 48°F | 91°F 2000 | 37°F 1975 | 24% | 0% |
| Aug 2 | 80°F | 48°F | 91°F 2026 | 37°F 1975 | 24% | 0% |
| Aug 3 | 80°F | 48°F | 89°F 2026 | 38°F 1978 | 24% | 0% |
| Aug 4 | 80°F | 48°F | 91°F 1979 | 35°F 1980 | 24% | 0% |
| Aug 5 | 80°F | 48°F | 92°F 1979 | 35°F 1976 | 24% | 0% |
| Aug 6 | 80°F | 47°F | 90°F 2001 | 39°F 1976 | 24% | 0% |
| Aug 7 | 80°F | 47°F | 90°F 1983 | 34°F 2023 | 24% | 0% |
| Aug 8 | 80°F | 47°F | 89°F 1990 | 35°F 1976 | 24% | 0% |
| Aug 9 | 80°F | 47°F | 89°F 2012 | 34°F 1974 | 24% | 0% |
| Aug 10 | 79°F | 47°F | 91°F 2026 | 35°F 1985 | 24% | 0% |
| Aug 11 | 79°F | 47°F | 90°F 1996 | 36°F 1974 | 24% | 0% |
| Aug 12 | 79°F | 46°F | 89°F 1996 | 37°F 1985 | 24% | 0% |
| Aug 13 | 79°F | 46°F | 89°F 1992 | 37°F 2002 | 24% | 0% |
| Aug 14 | 79°F | 46°F | 90°F 2025 | 33°F 1985 | 25% | 0% |
| Aug 15 | 79°F | 46°F | 90°F 2003 | 35°F 1978 | 25% | 0% |
| Aug 16 | 78°F | 45°F | 86°F 1966 | 30°F 1968 | 25% | 0% |
| Aug 17 | 78°F | 45°F | 87°F 1986 | 33°F 2009 | 25% | |
| Aug 18 | 78°F | 45°F | 89°F 1986 | 35°F 1978 | 25% | |
| Aug 19 | 78°F | 45°F | 90°F 2020 | 34°F 1978 | 25% | |
| Aug 20 | 78°F | 45°F | 90°F 1992 | 32°F 1978 | 25% | |
| Aug 21 | 77°F | 44°F | 89°F 2025 | 30°F 1974 | 25% | |
| Aug 22 | 77°F | 44°F | 88°F 2026 | 30°F 1966 | 25% | |
| Aug 23 | 77°F | 44°F | 86°F 2011 | 35°F 1966 | 25% | |
| Aug 24 | 77°F | 44°F | 90°F 1988 | 29°F 1972 | 25% | |
| Aug 25 | 77°F | 43°F | 90°F 1985 | 31°F 1989 | 25% | |
| Aug 26 | 76°F | 43°F | 89°F 1985 | 31°F 1992 | 25% | |
| Aug 27 | 76°F | 43°F | 86°F 2001 | 32°F 1976 | 25% | |
| Aug 28 | 76°F | 42°F | 85°F 1981 | 33°F 2004 | 25% | |
| Aug 29 | 76°F | 42°F | 87°F 1990 | 31°F 1968 | 25% | |
| Aug 30 | 75°F | 42°F | 89°F 2017 | 28°F 1993 | 25% | |
| Aug 31 | 75°F | 42°F | 86°F 1995 | 30°F 2005 | 25% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- August 1
- sunrise 6:17 AM, sunset 8:38 PM
- August 31
- sunrise 6:47 AM, sunset 7:56 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00486555 (Mtn View), public domain. Records: NOAA GHCN-Daily, station USC00486555, 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.