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.

A Few Clouds

22°F

-6°C

Humidity 44%
Wind Speed W 17 G 28 mph
Barometer 29.73 in (1007.1 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 15 Jan 7:52 pm EST
Extended Forecast for

5 Miles NW Catharpin VA

  • Tonight

    Tonight: Mostly clear, with a low around 20. Northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28. Northwest wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.

    High: 33 °F

    Slight 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 37.

    High: 37 °F

    Sunny

  • Monday Night

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

    Low: 11 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 20. Northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 24 mph.
Friday
Mostly sunny, with a high near 37. South wind 6 to 10 mph, with gusts as high as 20 mph.
Friday Night
A slight chance of snow showers after 1am. Mostly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 47. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 28. Northwest wind around 6 mph.
Sunday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 33. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 19.
M.L.King Day
Sunny, with a high near 37.
Monday Night
Mostly clear, with a low around 11.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
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:
6:53 pm EST Jan 15, 2026
Forecast Valid:
8pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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