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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Freezing Fog

26°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 30.13 in (1020.4 mb)
Dewpoint 25°F (-4°C)
Visibility 0.50 mi
Last update 7 Dec 6:52 am EST
Extended Forecast for

3 Miles ESE Chantilly VA

Freezing Fog Advisory December 7, 07:25am until December 7, 09:00am
Click here for hazard details and duration
...
  •  
    Freezing Fog Advisory December 7, 07:25am until December 7, 09:00am

    NOW until 9:00am Sun

    Freezing Fog Advisory

  • Today

    High: 42 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 21 mph.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 32. North wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16. North wind 3 to 7 mph.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 26. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 21 mph.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 32. North wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 16. North wind 3 to 7 mph.
Tuesday
Mostly sunny, with a high near 36. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Chantilly VA
 38.86°N 77.37°W (Elev. 449 ft)
Last Update:
6:52 am EST Dec 7, 2025
Forecast Valid:
7am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
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