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 and Windy

30°F

-1°C

Humidity 43%
Wind Speed NW 26 G 41 mph
Barometer 29.94 in (1014.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 30 Dec 10:52 am EST
Extended Forecast for

Vienna VASimilar City Names

  • Today

    Today: Mostly sunny, with a high near 34. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Scattered flurries with a slight chance of snow after 4am. Increasing clouds, with a low around 25. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Scattered flurries with a slight chance of snow before 8am, then scattered flurries between 8am and 9am. Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow after 1am. Mostly cloudy, with a low around 26. West wind around 7 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • New Year's Day

    New Year's Day: A slight chance of snow before 1pm. Mostly sunny, with a high near 33. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 34. Breezy, with a west wind 18 to 20 mph, with gusts as high as 36 mph.
Tonight
Scattered flurries with a slight chance of snow after 4am. Increasing clouds, with a low around 25. West wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
Scattered flurries with a slight chance of snow before 8am, then scattered flurries between 8am and 9am. Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of snow after 1am. Mostly cloudy, with a low around 26. West wind around 7 mph. Chance of precipitation is 20%.
New Year's Day
A slight chance of snow before 1pm. Mostly sunny, with a high near 33. Northwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VASimilar City Names
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:53 am EST Dec 30, 2025
Forecast Valid:
11am EST Dec 30, 2025-6pm EST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation