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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Light Snow Fog/Mist

29°F

-2°C

Humidity 89%
Wind Speed E 5 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 26°F (-3°C)
Visibility 1.50 mi
Wind Chill24°F (-4°C)
Last update 5 Dec 11:52 am EST
Extended Forecast for

3 Miles SSE Chantilly VA

  • This Afternoon

    This Afternoon: A chance of snow before 2pm. Cloudy, with a high near 32. Light east wind. Chance of precipitation is 50%.

    High: 32 °F

    Chance Snow

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 42. Light southwest wind.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of snow before 2pm. Cloudy, with a high near 32. Light east wind. Chance of precipitation is 50%.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 24. Calm wind.
Saturday
Partly sunny, with a high near 42. Light southwest wind.
Saturday Night
Partly cloudy, with a low around 26. Light and variable wind.
Sunday
Partly sunny, with a high near 42. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Thursday
A chance of rain. Partly sunny, with a high near 44. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Chantilly VA
 38.84°N 77.38°W (Elev. 449 ft)
Last Update:
9:53 am EST Dec 5, 2025
Forecast Valid:
12pm EST Dec 5, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation