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

Severe Thunderstorms in the Northeast and Northern Plains; Critical Fire Weather in the West

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota today. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula today. Critical fire weather conditions will persist today over parts of the interior Northwest and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

82°F

28°C

Humidity 63%
Wind Speed NW 7 mph
Barometer 29.94 in (1013.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Jul 9:52 am EDT
Extended Forecast for

Reston VA

  • Today

    Today: Sunny, with a high near 89. Northwest wind around 6 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Northwest wind around 6 mph.

    Low: 66 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 86. North wind around 6 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Light and variable wind.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Northwest wind around 6 mph.
Tonight
Mostly clear, with a low around 66. Northwest wind around 6 mph.
Independence Day
Sunny, with a high near 86. North wind around 6 mph.
Friday Night
Mostly clear, with a low around 65. Light and variable wind.
Saturday
Sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 71.
Monday
Mostly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 88. 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:
7:30 am EDT Jul 3, 2025
Forecast Valid:
10am EDT Jul 3, 2025-6pm EDT Jul 9, 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