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.

Fair and Breezy

22°F

-6°C

Humidity 46%
Wind Speed NW 23 G 35 mph
Barometer 29.81 in (1009.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 16 Jan 12:52 am EST
Extended Forecast for

5 Miles NW Catharpin VA

  • Overnight

    Overnight: Mostly clear, with a low around 19. West wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 36. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 36 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. South wind around 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Scattered rain and snow showers before 10am, then scattered rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 46 °F

    Scattered
    Rain/Snow
    then
    Scattered
    Showers

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 29. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 19. West wind 9 to 15 mph, with gusts as high as 25 mph.
Friday
Increasing clouds, with a high near 36. South wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 31. South wind around 10 mph.
Saturday
Scattered rain and snow showers before 10am, then scattered rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 46. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 29. West wind around 6 mph. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 20.
M.L.King Day
Sunny, with a high near 38.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 46.
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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 am EST Jan 16, 2026
Forecast Valid:
1am EST Jan 16, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation