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.

Fair

21°F

-6°C

Humidity 45%
Wind Speed NW 14 mph
Barometer 29.84 in (1010.9 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 16 Jan 1:52 am EST
Extended Forecast for

4 Miles ENE The Plains VA

  • Overnight

    Overnight: Mostly clear, with a low around 18. West wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 35. West wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

    High: 35 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Scattered snow showers before 10am, then scattered rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 45 °F

    Scattered
    Rain/Snow
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 18. West wind 11 to 14 mph, with gusts as high as 29 mph.
Friday
Increasing clouds, with a high near 35. West wind 7 to 11 mph becoming south in the afternoon. Winds could gust as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 30. South wind 10 to 13 mph, with gusts as high as 21 mph.
Saturday
Scattered snow showers before 10am, then scattered rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain between 1am and 4am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 28. West wind around 6 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE The Plains VA
 38.89°N 77.71°W (Elev. 758 ft)
Last Update:
12:54 am EST Jan 16, 2026
Forecast Valid:
2am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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