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.

Partly Cloudy and Windy

46°F

8°C

Humidity 27%
Wind Speed NW 28 G 41 mph
Barometer 29.57 in (1001.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 29 Dec 3:52 pm EST
Extended Forecast for

Vienna VASimilar City Names

Wind Advisory December 29, 04:03pm until December 30, 01:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory December 29, 04:03pm until December 30, 01:00am

    NOW until 1:00am Tue

    Wind Advisory

  • Tonight

    Low: 26 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Breezy, with a west wind 18 to 23 mph, with gusts as high as 38 mph.

    High: 35 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 25. West wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of snow showers 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
    Showers

  • New Year's Day

    New Year's Day: A slight chance of snow showers before 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 26. Windy, with a west wind 22 to 26 mph, with gusts as high as 49 mph.
Tuesday
Sunny, with a high near 35. Breezy, with a west wind 18 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
Increasing clouds, with a low around 25. West wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday
Partly sunny, with a high near 41. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A slight chance of snow showers 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 showers before 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 41.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna VASimilar City Names
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
3:53 pm EST Dec 29, 2025
Forecast Valid:
4pm EST Dec 29, 2025-6pm EST Jan 5, 2026
 
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