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.

Overcast

40°F

4°C

Humidity 89%
Wind Speed NW 9 mph
Barometer 29.72 in (1006.6 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 2 Dec 2:52 pm EST
Extended Forecast for

Fairfax VA

  • This Afternoon

    This Afternoon: A slight chance of rain before 4pm. Cloudy early, then becoming mostly sunny, with a high near 39. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain

  • 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 41. Northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °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 40%.

    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
A slight chance of rain before 4pm. Cloudy early, then becoming mostly sunny, with a high near 39. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
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 41. Northwest wind 5 to 10 mph becoming light and variable in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 27. Calm 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 40%.
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.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
3:28 pm EST Dec 2, 2025
Forecast Valid:
3pm EST Dec 2, 2025-6pm EST Dec 9, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation