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

50°F

10°C

Humidity 29%
Wind Speed S 12 G 22 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 13 Jan 11:52 am EST
Extended Forecast for

4 Miles E The Plains VA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. South wind 8 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain after 1am. Increasing clouds, with a low around 39. Southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain. Cloudy, with a high near 51. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 4am, then a slight chance of snow. Mostly cloudy, with a low around 24. Blustery, with a light and variable wind becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 50%.

    Low: 24 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Blustery

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 34 mph.

    High: 29 °F

    Mostly Sunny
    and Blustery
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

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

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. South wind 8 to 10 mph.
Tonight
A slight chance of rain after 1am. Increasing clouds, with a low around 39. Southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain. Cloudy, with a high near 51. Southwest wind 5 to 7 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain before 4am, then a slight chance of snow. Mostly cloudy, with a low around 24. Blustery, with a light and variable wind becoming northwest 16 to 21 mph in the evening. Winds could gust as high as 33 mph. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 29. Blustery, with a northwest wind 17 to 21 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 16.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 18.
M.L.King Day
Mostly sunny, with a high near 32.
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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:
9:54 am EST Jan 13, 2026
Forecast Valid:
12pm EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation