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.

Overcast

37°F

3°C

Humidity 31%
Wind Speed S 10 G 18 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 17 Jan 3:52 am EST
Extended Forecast for

Dulles VA

  • Overnight

    Overnight: Cloudy, with a low around 32. South wind around 10 mph, with gusts as high as 18 mph.

    Low: 32 °F

    Cloudy

  • Saturday

    Saturday: A chance of rain and snow before 9am, then a chance of rain and sleet between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 31. Light and variable wind becoming north around 6 mph after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of light snow. Cloudy, with a high near 34. North wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Light
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °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 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 32. South wind around 10 mph, with gusts as high as 18 mph.
Saturday
A chance of rain and snow before 9am, then a chance of rain and sleet between 9am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday Night
Increasing clouds, with a low around 31. Light and variable wind becoming north around 6 mph after midnight.
Sunday
A chance of light snow. Cloudy, with a high near 34. North wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.9°N 77.34°W (Elev. 367 ft)
Last Update:
3:53 am EST Jan 17, 2026
Forecast Valid:
4am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
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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