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.

A Few Clouds

33°F

1°C

Humidity 42%
Wind Speed N 14 mph
Barometer 30.21 in (1023.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 8 Dec 11:52 am EST
Extended Forecast for

Fairfax VA

  • This Afternoon

    This Afternoon: A slight chance of snow. Cloudy, with a high near 34. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 18. North wind around 6 mph becoming calm after midnight.

    Low: 18 °F

    Gradual
    Clearing

  • Tuesday

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

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 48. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 48 °F

    Cloudy then
    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow. Cloudy, with a high near 34. Northeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 18. North wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 36. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 48. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 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 34.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 31.
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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 8, 2025
Forecast Valid:
12pm EST Dec 8, 2025-6pm EST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation