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.

A Few Clouds

76°F

24°C

Humidity 30%
Wind Speed S 16 G 26 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 4 May 5:52 pm EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Tonight

    Tonight: Isolated showers between 8pm and 11pm. Partly cloudy, with a low around 58. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Isolated
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 33 mph.

    High: 84 °F

    Sunny then
    Increasing
    Clouds and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 5pm. High near 77. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 53. Southwest wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 53 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.

    High: 62 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Isolated showers between 8pm and 11pm. Partly cloudy, with a low around 58. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday
Increasing clouds, with a high near 84. Breezy, with a south wind 10 to 20 mph, with gusts as high as 33 mph.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Wednesday
Showers, with thunderstorms also possible after 5pm. High near 77. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 53. Southwest wind 7 to 10 mph becoming northwest after midnight. Chance of precipitation is 80%.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 62. Chance of precipitation is 70%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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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:
4:53 pm EDT May 4, 2026
Forecast Valid:
6pm EDT May 4, 2026-6pm EDT May 11, 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