National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Fire Weather and Severe Thunderstorms through the Weekend

Dry, windy conditions will bring elevated to critical fire risks to the northern Plains today, and southern High Plains and the Southwest through the weekend. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible today and Saturday across parts of the central Plains. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

56°F

13°C

Humidity 57%
Wind Speed NW 13 G 23 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 15 May 7:52 am EDT
Extended Forecast for

Reston VA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Light southwest wind.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. South wind 5 to 8 mph becoming calm after midnight.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 72. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 52. Light southwest wind.
Saturday
Sunny, with a high near 83. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Partly cloudy, with a low around 63. South wind 5 to 8 mph becoming calm after midnight.
Sunday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.95°N 77.36°W (Elev. 446 ft)
Last Update:
7:53 am EDT May 15, 2026
Forecast Valid:
8am EDT May 15, 2026-6pm EDT May 21, 2026
 
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