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

29°C

84°F

Humidity 32%
Wind Speed SW 19 G 31 km/h
Barometer 999.2 mb (29.52 in)
Dewpoint 11°C (51°F)
Visibility 16 km
Heat Index28°C (82°F)
Last update 17 May 5:52 pm EDT
Extended Forecast for

2 Miles S Washington-Dulles International Airport VA

  • Tonight

    Tonight: Scattered sprinkles before midnight. Mostly cloudy, with a low around 16. Northwest wind 21 to 26 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h.

    Low: 16 °C

    Scattered
    Sprinkles

  • Sunday

    Sunday: Mostly sunny, with a high near 24. West wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.

    High: 24 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.

    Low: 13 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 25. Northwest wind 16 to 21 km/h, with gusts as high as 35 km/h.

    High: 25 °C

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 11. North wind around 11 km/h.

    Low: 11 °C

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 22.

    High: 22 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers. Low around 13. Chance of precipitation is 80%.

    Low: 13 °C

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 18. Chance of precipitation is 90%.

    High: 18 °C

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 12. Chance of precipitation is 80%.

    Low: 12 °C

    Showers

Detailed Forecast

Tonight
Scattered sprinkles before midnight. Mostly cloudy, with a low around 16. Northwest wind 21 to 26 km/h decreasing to 11 to 16 km/h after midnight. Winds could gust as high as 42 km/h.
Sunday
Mostly sunny, with a high near 24. West wind 14 to 19 km/h increasing to 22 to 27 km/h in the afternoon. Winds could gust as high as 45 km/h.
Sunday Night
Mostly clear, with a low around 13. Northwest wind 11 to 16 km/h, with gusts as high as 32 km/h.
Monday
Sunny, with a high near 25. Northwest wind 16 to 21 km/h, with gusts as high as 35 km/h.
Monday Night
Partly cloudy, with a low around 11. North wind around 11 km/h.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Showers. Low around 13. Chance of precipitation is 80%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 18. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 12. Chance of precipitation is 80%.
Thursday
Showers likely, mainly after 8am. Partly sunny, with a high near 17. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 19. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 10. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 22.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Washington-Dulles International Airport VA
 38.93°N 77.45°W (Elev. 299 m)
Last Update:
6:11 pm EDT May 17, 2025
Forecast Valid:
6pm EDT May 17, 2025-6pm EDT May 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation