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

38°F

3°C

Humidity 33%
Wind Speed S 8 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 17 Jan 5:52 am EST
Extended Forecast for

Dulles VA

  • Today

    Today: Scattered rain showers, snow showers, and sleet before noon, then a slight chance of rain showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 47 °F

    Scattered
    Wintry Mix
    then Isolated
    Showers

  • Tonight

    Tonight: A slight chance of rain between 2am and 3am, then a chance of snow. Increasing clouds, with a low around 31. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of light snow, mainly before 1pm. Cloudy, with a high near 34. North wind 5 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 5 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. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    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

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

Detailed Forecast

Today
Scattered rain showers, snow showers, and sleet before noon, then a slight chance of rain showers between noon and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Tonight
A slight chance of rain between 2am and 3am, then a chance of snow. Increasing clouds, with a low around 31. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 40%.
Sunday
A chance of light snow, mainly before 1pm. Cloudy, with a high near 34. North wind 5 to 8 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 20. Northwest wind around 5 mph becoming calm in the evening.
M.L.King Day
Sunny, with a high near 38. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dulles VA
 38.9°N 77.34°W (Elev. 367 ft)
Last Update:
5:32 am EST Jan 17, 2026
Forecast Valid:
6am EST Jan 17, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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