Prince William County weather, town by town
24 places in Prince William County, Virginia, 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 1945 to 2026. Station extremes, not official state records.
Prince William County Weather Facts
Prince William County has 24 places on myweatherrock (20 census-designated places, 4 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Manassas on July 23, 2011. The coldest night is -19°F at Wfo Sterling on January 22, 1984. The wettest day brought 6.64 inches of rain at Wfo Sterling on September 7, 2008. The biggest single-day snow measured 23.19 inches at Wfo Sterling on February 6, 2010. Those are station measurements from NOAA's daily records, 1945 to 2026, not official state records. By area the largest place is Buckhall, about 20 square miles.
About Prince William County weather
The map on the Now tab shows every Prince William 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 20 Prince William County towns with station normals, the warmest month is July, when the day usually reaches 89°F, and the coldest is January, when the night usually falls to 27°F. May is the wettest, with rain on about 11 days. January nights run from about 22°F in Bull Run Mountain Estates to 28°F in Cherry Hill.
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.
Prince William County weather records
Measured at the NOAA stations serving these towns, daily records 1945 to 2026. Station extremes, not official state records.
Common questions about Prince William County weather
- What is the hottest temperature recorded at a Prince William County station?
- 106°F at Manassas on July 23, 2011, in the NOAA daily station records myweatherrock holds (1945 to 2026).
- What is the coldest temperature recorded at a Prince William County station?
- -19°F at Wfo Sterling on January 22, 1984.
- What is the most rain a Prince William County station has measured in one day?
- 6.64 inches at Wfo Sterling on September 7, 2008.
- What is the biggest one-day snowfall at a Prince William County station?
- 23.19 inches at Wfo Sterling on February 6, 2010.
- How many Prince William County towns have a weather page here?
- 24: 20 census-designated places, 4 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 Prince William 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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