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 Breezy

37°F

3°C

Humidity 62%
Wind Speed NW 24 G 35 mph
Barometer 29.79 in (1009.1 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 23 Feb 10:52 am EST
Extended Forecast for

Vienna VA

  • Today

    Today: Cloudy, with a high near 39. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 37 mph.

    High: 39 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.

    Low: 22 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am, mixing with rain after 4am. Increasing clouds, with a low around 31. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain before 7am. Mostly sunny, with a high near 53. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 53 °F

    Chance Rain
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Rain Likely

  • Friday

    Friday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 39. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 37 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 39. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of snow after 1am, mixing with rain after 4am. Increasing clouds, with a low around 31. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain before 7am. Mostly sunny, with a high near 53. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:53 am EST Feb 23, 2026
Forecast Valid:
11am EST Feb 23, 2026-6pm EST Mar 1, 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