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

22°F

-6°C

Humidity 55%
Wind Speed Calm
Barometer 29.98 in (1015.5 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 30 Dec 10:52 pm EST
Extended Forecast for

5 Miles NW Catharpin VA

  • Tonight

    Tonight: A chance of flurries with a slight chance of light snow after 1am. Cloudy, with a low around 23. West wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Light Snow

  • Wednesday

    Wednesday: A chance of flurries before 11am. Partly sunny, with a high near 40. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 40 °F

    Chance
    Flurries

  • Wednesday Night

    Wednesday Night: A chance of flurries between 1am and 4am, then a chance of flurries with a slight chance of snow after 4am. Mostly cloudy, with a low around 25. Southwest wind 5 to 11 mph. Chance of precipitation is 20%.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • New Year's Day

    New Year's Day: A chance of flurries with a slight chance of snow before 10am, then a chance of flurries between 10am and noon. Sunny, with a high near 33. Northwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 19. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries with a slight chance of light snow after 1am. Cloudy, with a low around 23. West wind 6 to 8 mph. Chance of precipitation is 20%.
Wednesday
A chance of flurries before 11am. Partly sunny, with a high near 40. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of flurries between 1am and 4am, then a chance of flurries with a slight chance of snow after 4am. Mostly cloudy, with a low around 25. Southwest wind 5 to 11 mph. Chance of precipitation is 20%.
New Year's Day
A chance of flurries with a slight chance of snow before 10am, then a chance of flurries between 10am and noon. Sunny, with a high near 33. Northwest wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 19. Northwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
Mostly cloudy, with a high near 45.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
Last Update:
9:53 pm EST Dec 30, 2025
Forecast Valid:
11pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation