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.

Partly Cloudy

42°F

6°C

Humidity 62%
Wind Speed SW 8 mph
Barometer 30.12 in (1020.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 7 Dec 11:52 am EST
Extended Forecast for

Fairfax VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 41. South wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 20 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. North wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. North wind 3 to 8 mph.

    Low: 17 °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

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 41. South wind around 6 mph.
Tonight
Mostly cloudy, with a low around 27. Light and variable wind becoming north 9 to 14 mph after midnight. Winds could gust as high as 20 mph.
Monday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. 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 17. North wind 3 to 8 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 41. 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:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
9:53 am EST Dec 7, 2025
Forecast Valid:
12pm 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