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.

Overcast

36°F

2°C

Humidity 67%
Wind Speed NW 15 mph
Barometer 29.94 in (1013.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 2 Dec 11:52 pm EST
Extended Forecast for

3 Miles SSE Chantilly VA

  • Overnight

    Overnight: Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 6 to 11 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Northwest wind 5 to 10 mph becoming light north after midnight.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 42. Northwest wind 6 to 11 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 26. Light and variable wind.
Thursday
Partly sunny, with a high near 42. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 20. Northwest wind 5 to 10 mph becoming light north after midnight.
Friday
A chance of snow, mainly after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Friday Night
A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Chantilly VA
 38.84°N 77.38°W (Elev. 449 ft)
Last Update:
9:53 pm EST Dec 2, 2025
Forecast Valid:
12am EST Dec 3, 2025-6pm EST Dec 9, 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