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.

Fair

47°F

8°C

Humidity 63%
Wind Speed Calm
Barometer 30.10 in (1019.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 10 May 5:52 am EDT
Extended Forecast for

Reston VA

  • Today

    Today: Sunny, with a high near 73. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind 3 to 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. North wind 3 to 6 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Light east wind.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Partly sunny, with a high near 76. Light east wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.

    Low: 62 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

Today
Sunny, with a high near 73. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 52. Southwest wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 79. North wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 55. Light east wind.
Monday
A chance of showers after 2pm. Partly sunny, with a high near 76. Light east wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Monday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
Showers. High near 69. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 64. Chance of precipitation is 80%.
Thursday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.97°N 77.36°W (Elev. 430 ft)
Last Update:
4:30 am EDT May 10, 2025
Forecast Valid:
6am EDT May 10, 2025-6pm EDT May 16, 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