Riverside County weather, town by town
73 places in Riverside County, California, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1894 to 2026. Station extremes, not official state records.
Riverside County Weather Facts
Riverside County has 73 places on myweatherrock (45 census-designated places, 28 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 126°F at Desert Resorts Rgnl Ap on July 28, 1995. The coldest night is 1°F at Idyllwild Fire Dept on January 5, 1971. The wettest day brought 10.1 inches of rain at Palomar Mtn Obsy on February 14, 2019. The biggest single-day snow measured 27.01 inches at Palomar Mtn Obsy on December 17, 2008. Those are station measurements from NOAA's daily records, 1894 to 2026, not official state records. By area the largest place is Palm Springs, about 95 square miles.
About Riverside County weather
The map on the Now tab shows every Riverside County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 72 Riverside County towns with station normals, the warmest month is August, when the day usually reaches 99°F, and the coldest is December, when the night usually falls to 40°F. February is the wettest, with rain on about 5 days. August afternoons run from about 84°F in Aguanga to 108°F in Blythe. December nights run from about 30°F in Anza to 46°F in Cathedral.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Riverside County weather records
Measured at the NOAA stations serving these towns, daily records 1894 to 2026. Station extremes, not official state records.
Common questions about Riverside County weather
- What is the hottest temperature recorded at a Riverside County station?
- 126°F at Desert Resorts Rgnl Ap on July 28, 1995, in the NOAA daily station records myweatherrock holds (1894 to 2026).
- What is the coldest temperature recorded at a Riverside County station?
- 1°F at Idyllwild Fire Dept on January 5, 1971.
- What is the most rain a Riverside County station has measured in one day?
- 10.1 inches at Palomar Mtn Obsy on February 14, 2019.
- What is the biggest one-day snowfall at a Riverside County station?
- 27.01 inches at Palomar Mtn Obsy on December 17, 2008.
- How many Riverside County towns have a weather page here?
- 73: 45 census-designated places, 28 cities. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Riverside County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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