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

17°C

63°F

Humidity 48%
Wind Speed W 20 G 30 km/h
Barometer 1018.5 mb (30.08 in)
Dewpoint 6°C (43°F)
Visibility 16 km
Last update 24 May 11:52 am EDT
Extended Forecast for

3 Miles SSW Ashburn VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 21. Northwest wind around 23 km/h, with gusts as high as 40 km/h.

    High: 21 °C

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. Northwest wind 8 to 13 km/h.

    Low: 8 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 22. Northwest wind 10 to 13 km/h.

    High: 22 °C

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 11. Northwest wind 5 to 8 km/h. Chance of precipitation is 30%.

    Low: 11 °C

    Chance
    Showers

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 22. North wind around 8 km/h.

    High: 22 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11.

    Low: 11 °C

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.

    High: 21 °C

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly after 8pm. Low around 13. Chance of precipitation is 80%.

    Low: 13 °C

    Showers

  • Wednesday

    Wednesday: Showers. High near 19. Chance of precipitation is 80%.

    High: 19 °C

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 21. Northwest wind around 23 km/h, with gusts as high as 40 km/h.
Tonight
Mostly clear, with a low around 8. Northwest wind 8 to 13 km/h.
Sunday
Mostly sunny, with a high near 22. Northwest wind 10 to 13 km/h.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 11. Northwest wind 5 to 8 km/h. Chance of precipitation is 30%.
Memorial Day
Mostly sunny, with a high near 22. North wind around 8 km/h.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
A chance of showers after 2pm. Mostly cloudy, with a high near 21. Chance of precipitation is 40%.
Tuesday Night
Showers, mainly after 8pm. Low around 13. Chance of precipitation is 80%.
Wednesday
Showers. High near 19. Chance of precipitation is 80%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 15. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 24. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 16. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 26. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Ashburn VA
 39°N 77.49°W (Elev. 299 m)
Last Update:
10:30 am EDT May 24, 2025
Forecast Valid:
12pm EDT May 24, 2025-6pm EDT May 30, 2025
 
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