National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

30°F

-1°C

Humidity 36%
Wind Speed S 10 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 16 Jan 12:52 pm EST
Extended Forecast for

5 Miles NW Catharpin VA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 36. South wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Isolated snow showers before 2am, then isolated snow showers after 4am. Increasing clouds, with a low around 31. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Scattered snow showers before 10am, then a slight chance of rain showers between 10am and 11am. Mostly cloudy, with a high near 47. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 47 °F

    Scattered
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 11.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 36. South wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Isolated snow showers before 2am, then isolated snow showers after 4am. Increasing clouds, with a low around 31. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Scattered snow showers before 10am, then a slight chance of rain showers between 10am and 11am. Mostly cloudy, with a high near 47. Southwest wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 30. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Sunday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 35. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
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:
12:54 pm EST Jan 16, 2026
Forecast Valid:
1pm EST Jan 16, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation