Fairfax city weather, town by town
1 place in Fairfax city, 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 1925 to 2026. Station extremes, not official state records.
Fairfax city Weather Facts
Fairfax city has 1 place on myweatherrock (1 cities), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 100°F at Vienna on August 18, 2015. The coldest night is -3°F at Vienna on February 5, 1996. The wettest day brought 7.3 inches of rain at Mantua 1.4 S on September 7, 2008. The biggest single-day snow measured 14.02 inches at Mantua 1.4 S on January 23, 2016. Those are station measurements from NOAA's daily records, 1925 to 2026, not official state records. By area the largest place is Fairfax, about 6 square miles.
About Fairfax city weather
The map on the Now tab shows every Fairfax city 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 1 Fairfax city towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 25°F. May is the wettest, with rain on about 13 days.
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.
Fairfax city weather records
Measured at the NOAA stations serving these towns, daily records 1925 to 2026. Station extremes, not official state records.
Common questions about Fairfax city weather
- What is the hottest temperature recorded at a Fairfax city station?
- 100°F at Vienna on August 18, 2015, in the NOAA daily station records myweatherrock holds (1925 to 2026).
- What is the coldest temperature recorded at a Fairfax city station?
- -3°F at Vienna on February 5, 1996.
- What is the most rain a Fairfax city station has measured in one day?
- 7.3 inches at Mantua 1.4 S on September 7, 2008.
- What is the biggest one-day snowfall at a Fairfax city station?
- 14.02 inches at Mantua 1.4 S on January 23, 2016.
- How many Fairfax city towns have a weather page here?
- 1: 1 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 Fairfax city 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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