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.

Partly Cloudy

16°F

-9°C

Humidity 84%
Wind Speed NW 5 mph
Barometer 29.80 in (1009.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 26 Jan 2:52 am EST
Extended Forecast for

Vienna VA

Cold Weather Advisory January 26, 07:00pm until January 27, 11:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Overnight

    Overnight: Partly cloudy, with a low around 19. Northwest wind around 7 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 26. Northwest wind 11 to 16 mph, with gusts as high as 30 mph.

    High: 26 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1. Wind chill values as low as -6. West wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. Wind chill values as low as -6. Southwest wind 3 to 7 mph.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 6. West wind 3 to 6 mph.

    Low: 6 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 0.

    Low: 0 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. Northwest wind around 7 mph.
Monday
Mostly sunny, with a high near 26. Northwest wind 11 to 16 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 1. Wind chill values as low as -6. West wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 27. Wind chill values as low as -6. Southwest wind 3 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 6. West wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Partly cloudy, with a low around 2.
Thursday
Sunny, with a high near 21.
Thursday Night
Mostly clear, with a low around 0.
Friday
Mostly sunny, with a high near 17.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 8.
Sunday
Mostly sunny, with a high near 26.
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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:
12:53 am EST Jan 26, 2026
Forecast Valid:
3am EST Jan 26, 2026-6pm EST Feb 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