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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

33°F

1°C

Humidity 66%
Wind Speed NW 8 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 3 Dec 1:52 am EST
Extended Forecast for

Reston VA

  • Overnight

    Overnight: Mostly clear, with a low around 27. Northwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 41. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 42. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.

    High: 42 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 10pm, then a chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.

    Low: 24 °F

    Chance Wintry
    Mix then
    Chance
    Freezing Rain

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Northwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 41. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 26. Calm wind.
Thursday
Increasing clouds, with a high near 42. Light west wind becoming northwest 8 to 13 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 19. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
A chance of snow, mainly after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
Friday Night
A chance of snow before 10pm, then a chance of freezing rain between 10pm and 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.94°N 77.33°W (Elev. 390 ft)
Last Update:
12:53 am EST Dec 3, 2025
Forecast Valid:
2am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation