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.

Partly Cloudy

78°F

26°C

Humidity 35%
Wind Speed S 12 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 May 5:52 pm EDT
Extended Forecast for

Reston VA

  • Tonight

    Tonight: Partly cloudy, with a low around 59. South wind 8 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 5pm. Cloudy, with a high near 71. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Scattered
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 61. South wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 68. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 59. North wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 59. South wind 8 to 10 mph.
Tuesday
Showers likely, with thunderstorms also possible after 5pm. Cloudy, with a high near 71. South wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 61. South wind 6 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 68. Northeast wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 59. North wind 6 to 8 mph. Chance of precipitation is 80%.
Thursday
A slight chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 75. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Friday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 60.
Monday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
4:31 pm EDT May 13, 2024
Forecast Valid:
6pm EDT May 13, 2024-6pm EDT May 20, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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