National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Storm System Across the Eastern U.S.

A storm system will continue to produce widespread showers and thunderstorms as it progresses eastward across the central U.S. into the Northeast through the weekend. There are risks of severe thunderstorms and excessive rainfall on Saturday from the Ozarks into the mid-Mississippi River Valley with potential for damaging winds, large hail, tornadoes, and flash flooding. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

71°F

22°C

Humidity 39%
Wind Speed S 8 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 18 Oct 12:52 pm EDT
Extended Forecast for

Dulles VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. South wind around 7 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. South wind around 6 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 76. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 76 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 51. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Mostly sunny, with a high near 64. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 64 °F

    Showers
    Likely then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. South wind around 7 mph.
Tonight
Mostly clear, with a low around 56. South wind around 6 mph.
Sunday
Partly sunny, with a high near 76. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Showers and possibly a thunderstorm. Low around 51. South wind 13 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely before 8am. Mostly sunny, with a high near 64. West wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.92°N 77.36°W (Elev. 400 ft)
Last Update:
1:29 pm EDT Oct 18, 2025
Forecast Valid:
1pm EDT Oct 18, 2025-6pm EDT Oct 24, 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