Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

31°F

-1°C

Humidity 92%
Wind Speed Calm
Barometer 29.95 in (1014.5 mb)
Dewpoint 29°F (-2°C)
Visibility 7.00 mi
Last update 6 Dec 6:52 am EST
Extended Forecast for

3 Miles SSE Chantilly VA

  • Today

    Today: Patchy fog before 9am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Light and variable wind becoming north 5 to 10 mph after midnight.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34. North wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 42. Calm wind.
Tonight
Partly cloudy, with a low around 27. Calm wind.
Sunday
Partly sunny, with a high near 43. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Light and variable wind becoming north 5 to 10 mph after midnight.
Monday
Mostly sunny, with a high near 34. North wind 10 to 13 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 44.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Chantilly VA
 38.84°N 77.38°W (Elev. 449 ft)
6:53 am EST Dec 6, 2025
7am EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database