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.

Light Rain Fog/Mist

37°F

3°C

Humidity 93%
Wind Speed NE 3 mph
Barometer 29.78 in (1008.6 mb)
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Last update 2 Dec 11:52 am EST
Extended Forecast for

3 Miles ESE Chantilly VA

  • This Afternoon

    This Afternoon: Rain, mainly before 3pm. Patchy fog before 4pm. High near 40. Light and variable wind becoming northwest 5 to 10 mph. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 42. Northwest wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.

    High: 42 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 26. Light and variable wind.

    Low: 26 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 42 °F

    Partly Sunny

  • Thursday Night

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

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain, mainly before 3pm. Patchy fog before 4pm. High near 40. Light and variable wind becoming northwest 5 to 10 mph. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly clear, with a low around 27. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 42. Northwest wind 8 to 13 mph becoming light and variable in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 26. Light and variable wind.
Thursday
Partly sunny, with a high near 42. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 20.
Friday
A chance of snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.
Friday Night
A chance of snow and freezing rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 35.
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:
12:30 pm EST Dec 2, 2025
Forecast Valid:
12pm EST Dec 2, 2025-6pm EST Dec 8, 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