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

43°F

6°C

Humidity 86%
Wind Speed Calm
Barometer 30.40 in (1029.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 12 Apr 4:52 am EDT
Extended Forecast for

Washington-Dulles International Airport VA

  • Today

    Today: Mostly sunny, with a high near 75. East wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 2pm. Partly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. Southwest wind 5 to 9 mph becoming light after midnight.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. East wind 6 to 13 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly cloudy, with a low around 58. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
A slight chance of showers after 2pm. Partly sunny, with a high near 87. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 62. Southwest wind 5 to 9 mph becoming light after midnight.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Southwest wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Partly sunny, with a high near 91.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 90.
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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:
4:53 am EDT Apr 12, 2026
Forecast Valid:
5am EDT Apr 12, 2026-6pm EDT Apr 18, 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