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.

Mostly Cloudy

37°F

3°C

Humidity 41%
Wind Speed NW 14 G 28 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 17 Mar 5:52 pm EDT
Extended Forecast for

Fairfax VA

  • This Afternoon

    This Afternoon: Isolated snow showers. Mostly cloudy, with a high near 41. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 41 °F

    Isolated Snow
    Showers

  • Tonight

    Tonight: Isolated snow showers before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Isolated Snow
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 42. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 42 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. South wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54. South wind 5 to 7 mph.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Isolated snow showers. Mostly cloudy, with a high near 41. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tonight
Isolated snow showers before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 25. Northwest wind 5 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 42. Light and variable wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 30. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 54. South wind 5 to 7 mph.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 70.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.83°N 77.29°W (Elev. 348 ft)
Last Update:
4:54 pm EDT Mar 17, 2026
Forecast Valid:
5pm EDT Mar 17, 2026-6pm EDT Mar 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation