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

50°F

10°C

Humidity 83%
Wind Speed NE 5 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 May 3:52 am EDT
Extended Forecast for

Reston VA

  • Overnight

    Overnight: Scattered sprinkles before 5am. Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Scattered
    Sprinkles

  • Saturday

    Saturday: Showers after 5pm. High near 66. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Mostly Sunny
    then Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am. Low around 50. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Sunday

    Sunday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 66. Northwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

    High: 66 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 49. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

Detailed Forecast

Overnight
Scattered sprinkles before 5am. Mostly cloudy, with a low around 47. Calm wind.
Saturday
Showers after 5pm. High near 66. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am. Low around 50. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 66. Northwest wind 7 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 49. North wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 76.
Thursday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
4:31 am EDT May 11, 2024
Forecast Valid:
4am EDT May 11, 2024-6pm EDT May 17, 2024
 
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