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.

A Few Clouds

36°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 30.08 in (1018.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 3 Dec 4:52 pm EST
Extended Forecast for

Vienna VA

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 22. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.

    Low: 22 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 34. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.

    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 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

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

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Light and variable wind.
Thursday
Mostly sunny, with a high near 42. Light northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
Mostly cloudy, with a low around 22. Northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
A chance of snow. Cloudy, with a high near 34. Southeast wind 3 to 6 mph. Chance of precipitation is 50%.
Friday Night
A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Mostly cloudy, with a low around 25. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
3:53 pm EST Dec 3, 2025
Forecast Valid:
5pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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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