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

34°F

1°C

Humidity 59%
Wind Speed SE 9 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 26 Dec 2:52 pm EST
Extended Forecast for

Fairfax VA

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 34. South wind around 10 mph. Chance of precipitation is 30%.

    High: 34 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 34. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. North wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Northeast wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 1pm. Cloudy, with a high near 49. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 49 °F

    Cloudy then
    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 40%.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain likely before 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 60%.

    High: 63 °F

    Rain Likely
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36. Breezy.

    High: 36 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 34. South wind around 10 mph. Chance of precipitation is 30%.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 34. South wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 43. North wind 8 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 31. Northeast wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of rain after 1pm. Cloudy, with a high near 49. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly after 1am. Cloudy, with a low around 44. Chance of precipitation is 40%.
Monday
Rain likely before 1pm. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 36. Breezy.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Partly sunny, with a high near 36.
Thursday Night
Mostly clear, with a low around 19.
Friday
Sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.29°W (Elev. 400 ft)
Last Update:
12:53 pm EST Dec 26, 2025
Forecast Valid:
3pm EST Dec 26, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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