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.

Overcast

37°F

3°C

Humidity 73%
Wind Speed S 10 mph
Barometer 30.18 in (1022.2 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 28 Dec 9:52 am EST
Extended Forecast for

Vienna VA

  • Today

    Today: A chance of rain between noon and 2pm. Cloudy, with a high near 44. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 44 °F

    Cloudy then
    Chance Rain

  • Tonight

    Tonight: Cloudy, with a temperature rising to around 49 by 4am. South wind 11 to 15 mph, with gusts as high as 29 mph.

    Low: 41 °F⇑

    Cloudy

  • Monday

    Monday: A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a southwest wind 16 to 23 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.

    High: 62 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 40 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. Breezy, with a west wind 18 to 22 mph, with gusts as high as 39 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of rain between noon and 2pm. Cloudy, with a high near 44. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tonight
Cloudy, with a temperature rising to around 49 by 4am. South wind 11 to 15 mph, with gusts as high as 29 mph.
Monday
A chance of rain, mainly between 7am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. Breezy, with a southwest wind 16 to 23 mph becoming west in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 27. Breezy, with a west wind 18 to 21 mph, with gusts as high as 40 mph.
Tuesday
Mostly sunny, with a high near 35. Breezy, with a west wind 18 to 22 mph, with gusts as high as 39 mph.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 29.
New Year's Day
Mostly cloudy, with a high near 41.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:53 am EST Dec 28, 2025
Forecast Valid:
10am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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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