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.

Mostly Cloudy and Breezy

41°F

5°C

Humidity 55%
Wind Speed W 21 G 39 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 1:52 pm EST
Extended Forecast for

Vienna VA

  • This Afternoon

    This Afternoon: A chance of rain, mainly before 3pm. Mostly sunny, with a high near 46. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 39 mph.

    Low: 29 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.

    Low: 35 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
A chance of rain, mainly before 3pm. Mostly sunny, with a high near 46. Breezy, with a west wind 18 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 29. Blustery, with a northwest wind 10 to 20 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 45. West wind around 8 mph becoming southwest in the afternoon.
Monday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 49. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 50%.
Thursday
A chance of rain before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 35.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 40.
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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:
12:54 pm EST Jan 11, 2026
Forecast Valid:
2pm EST Jan 11, 2026-6pm EST Jan 17, 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