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

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

36°F

2°C

Humidity 70%
Wind Speed SW 9 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Jan 11:52 am EST
Extended Forecast for

4 Miles E The Plains VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow before 2am, then a chance of rain between 2am and 3am, then a chance of rain and snow after 3am. Increasing clouds, with a low around 30. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 33. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow Likely
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Northwest wind around 6 mph becoming calm.

    Low: 19 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. Southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 46. Southwest wind 7 to 9 mph.
Tonight
A slight chance of snow before 2am, then a chance of rain between 2am and 3am, then a chance of rain and snow after 3am. Increasing clouds, with a low around 30. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 40%.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 33. Northwest wind 6 to 8 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Sunday Night
Partly cloudy, with a low around 19. Northwest wind around 6 mph becoming calm.
M.L.King Day
Sunny, with a high near 38. Southwest wind 6 to 13 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 20.
Friday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E The Plains VA
 38.87°N 77.69°W (Elev. 682 ft)
Last Update:
12:53 pm EST Jan 17, 2026
Forecast Valid:
1pm EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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