Fairfax County (Chantilly)
10 day weather forecast for Fairfax County
Wednesday, July 9th, 2025, at 07:24 PM
today
34° 23°
tomorrow
28° 22°
Friday
33° 22°
Saturday
33° 24°
Sunday
35° 22°
Monday
31° 22°
Tuesday
31° 22°
more
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.
Fairfax County 14 days weather forecast
This weeks weather in Fairfax County. Click on a date for detailed forecasts
Wed. 9
34°
23°
4.7 mm
Thu. 10
28°
22°
12.3 mm
Fri. 11
33°
22°
0 mm
Sat. 12
33°
24°
0.2 mm
Sun. 13
35°
22°
1.3 mm
Mon. 14
31°
22°
1.9 mm
Tue. 15
31°
22°
1.5 mm
Wed. 16
34°
23°
0 mm
Thu. 17
35°
23°
2.1 mm
Fri. 18
31°
23°
0.1 mm
Sat. 19
27°
20°
0 mm
Sun. 20
30°
18°
0 mm
Mon. 21
32°
18°
0 mm
Tue. 22
33°
22°
2.6 mm
You can click on date
Access Fairfax County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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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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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