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 and Breezy

35°F

2°C

Humidity 46%
Wind Speed W 21 G 30 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 28 Nov 8:52 am EST
Extended Forecast for

Fairfax VA

  • Today

    Today: Sunny, with a high near 41. West wind 16 to 18 mph, with gusts as high as 34 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 26. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Clear

  • Saturday

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

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am, mixing with rain after 4am. Increasing clouds, with a low around 30. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A slight chance of rain before 1am. Partly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

    High: 38 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 41. West wind 16 to 18 mph, with gusts as high as 34 mph.
Tonight
Clear, with a low around 26. West wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 42. West wind around 6 mph becoming calm in the afternoon.
Saturday Night
A slight chance of snow after 1am, mixing with rain after 4am. Increasing clouds, with a low around 30. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 44. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Sunday Night
A slight chance of rain before 1am. Partly cloudy, with a low around 30. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 42.
Monday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Tuesday
Rain likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Tuesday Night
A chance of rain before 1am. Mostly 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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
7:56 am EST Nov 28, 2025
Forecast Valid:
9am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation