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.

Fair

21°F

-6°C

Humidity 57%
Wind Speed NW 6 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 15 Jan 11:52 pm EST
Extended Forecast for

Vienna VA

  • Overnight

    Overnight: Mostly clear, with a low around 15. West wind around 5 mph becoming calm.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of snow showers after 10am, mixing with rain after 4pm. Increasing clouds, with a high near 35. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 35 °F

    Slight Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. West wind 6 to 8 mph becoming southwest in the afternoon.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29. South wind 5 to 9 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Partly cloudy, with a low around 17. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 15. West wind around 5 mph becoming calm.
Thursday
A chance of snow showers after 10am, mixing with rain after 4pm. Increasing clouds, with a high near 35. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 25. Northwest wind 3 to 8 mph. Chance of precipitation is 30%.
Friday
Sunny, with a high near 40. West wind 6 to 8 mph becoming southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 29. South wind 5 to 9 mph.
Saturday
A chance of rain and snow before 1pm, then rain likely. Mostly cloudy, with a high near 43. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
A chance of rain and snow before 1pm, then a chance of snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Sunday Night
A chance of snow before 1am. Partly cloudy, with a low around 17. Chance of precipitation is 30%.
M.L.King Day
Sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Mostly sunny, with a high near 24.
Click Map For Forecast
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ABOUT THIS FORECAST

 
Point Forecast:
Vienna VA
 38.89°N 77.25°W (Elev. 348 ft)
Last Update:
9:31 pm EST Jan 15, 2025
Forecast Valid:
12am EST Jan 16, 2025-6pm EST Jan 22, 2025
 
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