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.

Partly Cloudy

85°F

29°C

Humidity 72%
Wind Speed SW 7 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Jul 12:52 pm EDT
Extended Forecast for

3 Miles SSW Ashburn VA

Flood Watch until July 14, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until July 14, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • This Afternoon

    High: 89 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.

    Low: 72 °F

    Scattered
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 2am, then a slight chance of showers. Low around 72. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    Partly Sunny
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Mostly Cloudy

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 89. Southeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms before 2am, then a slight chance of showers between 2am and 5am. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 40%.
Monday Night
Showers and thunderstorms before 2am, then a slight chance of showers. Low around 72. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 91. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 93. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
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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 ft)
Last Update:
1:30 pm EDT Jul 13, 2025
Forecast Valid:
1pm EDT Jul 13, 2025-6pm EDT Jul 19, 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