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.

Mostly Cloudy

23°F

-5°C

Humidity 42%
Wind Speed SW 3 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 1 Jan 8:52 pm EST
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: A slight chance of snow between 2am and 3am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 41 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 25. North wind around 6 mph becoming calm after midnight.

    Low: 25 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 38. Calm wind.

    High: 38 °F

    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow between 2am and 3am. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 20%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 25. North wind around 6 mph becoming calm after midnight.
Saturday
Cloudy, with a high near 38. Calm wind.
Saturday Night
Mostly cloudy, with a low around 24. Calm wind.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 40.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.95°N 77.44°W (Elev. 285 ft)
Last Update:
6:53 pm EST Jan 1, 2026
Forecast Valid:
9pm EST Jan 1, 2026-6pm EST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation