National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

32°F

0°C

Humidity 52%
Wind Speed NW 14 mph
Barometer 30.34 in (1027.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 28 Nov 9:52 pm EST
Extended Forecast for

Fairfax VA

  • Tonight

    Tonight: Clear, with a low around 26. West wind 7 to 9 mph.

    Low: 26 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 42. Northwest wind around 6 mph becoming calm in the afternoon.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 30. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 30 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 45. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am. Partly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain

Detailed Forecast

Tonight
Clear, with a low around 26. West wind 7 to 9 mph.
Saturday
Sunny, with a high near 42. Northwest wind around 6 mph becoming calm in the afternoon.
Saturday Night
Increasing clouds, with a low around 30. Calm wind becoming south 5 to 7 mph in the evening.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 45. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 30. Northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 42.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Tuesday
Rain. High near 38. Chance of precipitation is 80%.
Tuesday Night
A chance of rain before 1am. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
9:52 pm EST Nov 28, 2025
Forecast Valid:
10pm EST Nov 28, 2025-6pm EST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation