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.

Overcast

67°F

19°C

Humidity 63%
Wind Speed N 6 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 4 Apr 7:52 pm EDT
Extended Forecast for

Fairfax VA

  • Tonight

    Tonight: Scattered showers. Cloudy, with a low around 56. East wind around 6 mph. Chance of precipitation is 50%.

    Low: 56 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers before 11am, then isolated showers after 2pm. Cloudy, with a high near 74. Southeast wind around 9 mph. Chance of precipitation is 20%.

    High: 74 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Isolated showers and thunderstorms, then scattered showers after 11pm. Mostly cloudy, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Isolated
    T-storms then
    Scattered
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 72. Southwest wind 11 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 43. North wind around 9 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.

    High: 55 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered showers. Cloudy, with a low around 56. East wind around 6 mph. Chance of precipitation is 50%.
Saturday
Isolated showers before 11am, then isolated showers after 2pm. Cloudy, with a high near 74. Southeast wind around 9 mph. Chance of precipitation is 20%.
Saturday Night
Isolated showers and thunderstorms, then scattered showers after 11pm. Mostly cloudy, with a low around 59. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday
Showers, mainly after 8am. High near 72. Southwest wind 11 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers. Low around 43. North wind around 9 mph. Chance of precipitation is 100%.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Partly sunny, with a high near 63.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 50%.
Click Map For Forecast
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
7:30 pm EDT Apr 4, 2025
Forecast Valid:
8pm EDT Apr 4, 2025-6pm EDT Apr 11, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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