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 28%
Wind Speed S 8 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Jan 10:52 pm EST
Extended Forecast for

Vienna VA

  • Tonight

    Tonight: Scattered snow showers after 2am. Cloudy, with a low around 33. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Scattered
    Snow Showers

  • Saturday

    Saturday: Scattered snow showers before 9am, then scattered rain showers between 9am and noon. Cloudy, with a high near 46. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 46 °F

    Scattered
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A chance of rain between 1am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 31. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. Northwest wind 3 to 5 mph.

    Low: 21 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Tonight
Scattered snow showers after 2am. Cloudy, with a low around 33. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Saturday
Scattered snow showers before 9am, then scattered rain showers between 9am and noon. Cloudy, with a high near 46. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain between 1am and 4am, then a chance of snow after 4am. Increasing clouds, with a low around 31. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 21. Northwest wind 3 to 5 mph.
M.L.King Day
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 44.
Thursday Night
A chance of snow. Partly cloudy, with a low around 24. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly sunny, with a high near 37. Chance of precipitation is 30%.
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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 pm EST Jan 16, 2026
Forecast Valid:
11pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation