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.

A Few Clouds

84°F

29°C

Humidity 33%
Wind Speed NW 10 G 17 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 1 May 3:52 pm EDT
Extended Forecast for

Reston VA

  • Tonight

    Tonight: Mostly clear, with a low around 61. Northwest wind around 6 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Light west wind increasing to 5 to 9 mph in the morning.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Northwest wind 5 to 7 mph becoming northeast after midnight.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81. East wind 8 to 11 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. East wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Cloudy, with a high near 63. Chance of precipitation is 50%.

    High: 63 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Northwest wind around 6 mph becoming calm.
Thursday
Sunny, with a high near 90. Light west wind increasing to 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 62. Northwest wind 5 to 7 mph becoming northeast after midnight.
Friday
Partly sunny, with a high near 81. East wind 8 to 11 mph.
Friday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 55. East wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Cloudy, with a high near 63. Chance of precipitation is 50%.
Saturday Night
Showers. Low around 57. Chance of precipitation is 80%.
Sunday
Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Monday
A chance of showers after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
5:17 pm EDT May 1, 2024
Forecast Valid:
5pm EDT May 1, 2024-6pm EDT May 8, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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