San Bernardino County weather, town by town
52 places in San Bernardino 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 1893 to 2026. Station extremes, not official state records.
San Bernardino County Weather Facts
San Bernardino County has 52 places on myweatherrock (28 census-designated places, 22 cities, 2 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 127°F at Parker on July 7, 1905. The coldest night is -15°F at Big Bear Lake on November 19, 1964. The wettest day brought 12.36 inches of rain at San Gabriel Dam Fc425B-E on January 25, 1969. The biggest single-day snow measured 30.98 inches at Victorville on January 14, 1949. Those are station measurements from NOAA's daily records, 1893 to 2026, not official state records. By area the largest place is Lucerne Valley, about 106 square miles.
About San Bernardino County weather
The map on the Now tab shows every San Bernardino 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 29 San Bernardino County towns with station normals, the warmest month is July, when the day usually reaches 96°F, and the coldest is December, when the night usually falls to 37°F. February is the wettest, with rain on about 5 days. July afternoons run from about 81°F in Big Bear to 110°F in Needles. December nights run from about 23°F in Big Bear to 46°F in Morongo Valley.
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.
San Bernardino County weather records
Measured at the NOAA stations serving these towns, daily records 1893 to 2026. Station extremes, not official state records.
Common questions about San Bernardino County weather
- What is the hottest temperature recorded at a San Bernardino County station?
- 127°F at Parker on July 7, 1905, in the NOAA daily station records myweatherrock holds (1893 to 2026).
- What is the coldest temperature recorded at a San Bernardino County station?
- -15°F at Big Bear Lake on November 19, 1964.
- What is the most rain a San Bernardino County station has measured in one day?
- 12.36 inches at San Gabriel Dam Fc425B-E on January 25, 1969.
- What is the biggest one-day snowfall at a San Bernardino County station?
- 30.98 inches at Victorville on January 14, 1949.
- How many San Bernardino County towns have a weather page here?
- 52: 28 census-designated places, 22 cities, 2 towns. 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 San Bernardino 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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