Moreno Valley Weather in August
Average highs run from 96°F on August 1 to 96°F on August 31, and lows from 64°F to 62°F. Normal precipitation for the month is 0.09 in over about 1 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
- 96°F
- Average low
- 63°F
- Precipitation
- 0.09 in
- Record high
- 112°FAug 29, 1998
- Record low
- 49°FAug 22, 1968
- Chance of a freeze
- 0%
- Days of 90°F or more
- 26.3
- Daylight
- 13 h 48 min to 12 h 54 min
- Cloud cover
- 21%
- Humidity
- 33%
- Dew point
- 43°F
- Wind
- 5.8 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 | 64°F | 106°F 1972 | 55°F 1956 | 3% |
| Aug 2 | 96°F | 64°F | 106°F 1959 | 53°F 1964 | 3% |
| Aug 3 | 96°F | 64°F | 107°F 1998 | 54°F 1965 | 3% |
| Aug 4 | 96°F | 64°F | 106°F 1998 | 52°F 1956 | 3% |
| Aug 5 | 96°F | 64°F | 110°F 1997 | 52°F 1956 | 2% |
| Aug 6 | 96°F | 63°F | 108°F 1983 | 54°F 1956 | 2% |
| Aug 7 | 96°F | 63°F | 103°F 1970 | 53°F 1991 | 2% |
| Aug 8 | 96°F | 63°F | 109°F 1970 | 53°F 1999 | 2% |
| Aug 9 | 96°F | 63°F | 105°F 1964 | 54°F 1956 | 2% |
| Aug 10 | 96°F | 63°F | 106°F 1965 | 54°F 1963 | 2% |
| Aug 11 | 96°F | 63°F | 105°F 2000 | 54°F 1962 | 2% |
| Aug 12 | 96°F | 63°F | 108°F 1994 | 54°F 1976 | 2% |
| Aug 13 | 96°F | 63°F | 106°F 1962 | 54°F 1988 | 2% |
| Aug 14 | 96°F | 63°F | 107°F 2003 | 53°F 1988 | 2% |
| Aug 15 | 96°F | 63°F | 106°F 1962 | 53°F 1988 | 2% |
| Aug 16 | 96°F | 63°F | 106°F 1992 | 51°F 1987 | 2% |
| Aug 17 | 96°F | 63°F | 107°F 1992 | 53°F 1975 | 2% |
| Aug 18 | 96°F | 63°F | 104°F 1962 | 53°F 1978 | 2% |
| Aug 19 | 96°F | 63°F | 104°F 1960 | 54°F 1969 | 2% |
| Aug 20 | 96°F | 63°F | 104°F 1960 | 53°F 1956 | 3% |
| Aug 21 | 96°F | 63°F | 105°F 1969 | 50°F 1964 | 3% |
| Aug 22 | 96°F | 63°F | 107°F 1969 | 49°F 1968 | 3% |
| Aug 23 | 96°F | 63°F | 107°F 1969 | 52°F 1962 | 3% |
| Aug 24 | 96°F | 63°F | 109°F 1956 | 49°F 1978 | 3% |
| Aug 25 | 96°F | 62°F | 111°F 1985 | 51°F 1963 | 3% |
| Aug 26 | 96°F | 62°F | 107°F 1981 | 51°F 1965 | 3% |
| Aug 27 | 96°F | 62°F | 110°F 1981 | 52°F 1961 | 3% |
| Aug 28 | 96°F | 62°F | 109°F 1981 | 51°F 1961 | 3% |
| Aug 29 | 96°F | 62°F | 112°F 1998 | 52°F 1961 | 3% |
| Aug 30 | 96°F | 62°F | 112°F 1976 | 51°F 1961 | 3% |
| Aug 31 | 96°F | 62°F | 109°F 1967 | 50°F 1965 | 3% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- August 1
- sunrise 6:01 AM, sunset 7:49 PM
- August 31
- sunrise 6:22 AM, sunset 7:16 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047306 (Redlands), public domain. Records: NOAA GHCN-Daily, station USC00047473, 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.