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

34°F

1°C

Humidity 79%
Wind Speed S 14 mph
Barometer 29.67 in (1005.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 10 Dec 8:52 am EST
Extended Forecast for

2 Miles WNW Chantilly VA

  • Today

    Today: A chance of rain, mainly between 11am and 3pm. Cloudy, with a high near 46. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 17 mph, with gusts as high as 28 mph.

    High: 38 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 24. West wind 3 to 8 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 37. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly between 11am and 3pm. Cloudy, with a high near 46. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 29. Southwest wind 9 to 11 mph becoming northwest after midnight. Winds could gust as high as 18 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 38. West wind 11 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Increasing clouds, with a low around 24. West wind 3 to 8 mph.
Friday
A chance of snow. Mostly cloudy, with a high near 37. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 40%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Chantilly VA
 38.89°N 77.46°W (Elev. 282 ft)
Last Update:
9:31 am EST Dec 10, 2025
Forecast Valid:
9am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation