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

Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

74°F

23°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 12 Sep 11:52 pm EDT
Extended Forecast for

Reston VA

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers

  • Sunday

    Sunday: Showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Patchy fog before 8am. High near 86. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Calm wind becoming northwest around 6 mph after midnight.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North wind 3 to 6 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Low around 69. Light south wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms before 8am, then a slight chance of showers between 8am and 9am. Patchy fog before 8am. High near 86. Calm wind becoming northwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Partly cloudy, with a low around 68. Calm wind becoming northwest around 6 mph after midnight.
Monday
Mostly sunny, with a high near 79. North wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 55. North wind 3 to 6 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 65.
Friday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.94°N 77.33°W (Elev. 390 ft)
Last Update:
10:53 pm EDT Sep 12, 2026
Forecast Valid:
12am EDT Sep 13, 2026-6pm EDT Sep 19, 2026
 
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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