Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

41°F

5°C

Humidity 65%
Wind Speed N 6 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Dec 4:52 pm EST
Extended Forecast for

Reston VA

Winter Weather Advisory December 14, 12:00am until December 14, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  • Tonight

    Tonight: A chance of rain before 1am, then rain and snow between 1am and 3am, then snow after 3am. The snow could be heavy at times.  Low around 25. Light north wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Chance Rain
    then
    Rain/Snow

  • Sunday

    Sunday: A chance of snow before 7am.  Cloudy through mid morning, then gradual clearing, with a temperature falling to around 20 by 5pm. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 36 mph.  Chance of precipitation is 30%.

    High: 28 °F

    Chance Snow
    then Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 17. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 31. West wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21. South wind around 5 mph becoming calm  in the evening.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of rain before 1am, then rain and snow between 1am and 3am, then snow after 3am. The snow could be heavy at times. Low around 25. Light north wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.
Sunday
A chance of snow before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 20 by 5pm. Blustery, with a northwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 17. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Monday
Mostly sunny, with a high near 31. West wind 6 to 10 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 21. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 54.
Thursday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 46.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Reston VA
 38.97°N 77.36°W (Elev. 430 ft)
3:54 pm EST Dec 13, 2025
5pm EST Dec 13, 2025-6pm EST Dec 20, 2025
 
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Additional Resources

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