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

44°F

7°C

Humidity 41%
Wind Speed SW 5 mph
Barometer 30.34 in (1027.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 24 Mar 7:52 pm EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Increasing clouds, with a low around 36. Calm wind becoming south around 6 mph after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 60. South wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 49. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 49 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 55 °F

    Slight Chance
    Rain then
    Rain Likely

  • Friday

    Friday: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Friday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. Calm wind becoming south around 6 mph after midnight.
Wednesday
Partly sunny, with a high near 60. South wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 49. South wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
Partly sunny, with a high near 74. South wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 55. South wind 11 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 67.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 ft)
Last Update:
7:54 pm EDT Mar 24, 2026
Forecast Valid:
7pm EDT Mar 24, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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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