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United States weather

10 day weather forecast for Fairfax County

Wednesday, July 9th, 2025, at 07:24 PM
today
Flood Watch
Patchy rain possible
34° 23°
tomorrow
Moderate rain
28° 22°
Friday
Partly cloudy
33° 22°
Saturday
Patchy rain possible
33° 24°
Sunday
Patchy rain possible
35° 22°
Monday
Patchy rain possible
31° 22°
Tuesday
Patchy rain possible
31° 22°
 More Details See
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Fairfax County Weather Pages

Fairfax County weather forecast

The weather forecast for Fairfax County for today indicates very hot and sticky conditions with a humidity level of about 82% with temperatures around 34 °F.

Rain is expected on Wednesday, Thursday, Saturday, and Sunday, accompanied by a gentle breeze.

On Thursday, a notable cooling trend with temperatures reaching 28°C, and heavy rain with a 83% probability, accumulating nearly 12.26mm.

Weather today
Fairfax County weather forecast

Fairfax County 14 days weather forecast

This weeks weather in Fairfax County. Click on a date for detailed forecasts
Wed. 9
34°
23°
Weather Alert
Patchy rain possible
4.7 mm
Thu. 10
28°
22°
Moderate rain
12.3 mm
Fri. 11
33°
22°
Partly cloudy
0 mm
Sat. 12
33°
24°
Patchy rain possible
0.2 mm
Sun. 13
35°
22°
Patchy rain possible
1.3 mm
Mon. 14
31°
22°
Patchy rain possible
1.9 mm
Tue. 15
31°
22°
Patchy rain possible
1.5 mm
Wed. 16
34°
23°
Partly cloudy
0 mm
Thu. 17
35°
23°
Patchy rain possible
2.1 mm
Fri. 18
31°
23°
Patchy rain possible
0.1 mm
Sat. 19
27°
20°
Partly cloudy
0 mm
Sun. 20
30°
18°
Sunny
0 mm
Mon. 21
32°
18°
Sunny
0 mm
Tue. 22
33°
22°
Patchy rain possible
2.6 mm
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Fairfax County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Fairfax County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Fairfax County?

Get accurate weather forecasts for Fairfax County, located at latitude 38.894 and longitude -77.431. Stay updated with localized weather information tailored for Fairfax County.

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