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.

Overcast

47°F

8°C

Humidity 54%
Wind Speed S 9 mph
Barometer 29.46 in (997.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 14 Jan 7:52 pm EST
Extended Forecast for

2 Miles E Catharpin VA

  • Tonight

    Tonight: A chance of rain, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27. West wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 32. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.

    High: 32 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. West wind 7 to 13 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 38. South wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 38 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 30. South wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27. West wind 6 to 11 mph becoming northwest 12 to 17 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 32. Northwest wind 15 to 17 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 18. West wind 7 to 13 mph, with gusts as high as 25 mph.
Friday
Increasing clouds, with a high near 38. South wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 30. South wind 6 to 9 mph, with gusts as high as 18 mph.
Saturday
A chance of rain and snow showers before 1pm, then a slight chance of rain showers. Partly sunny, with a high near 46. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 32.
Sunday Night
Mostly clear, with a low around 15.
M.L.King Day
Sunny, with a high near 35.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 35.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Catharpin VA
 38.85°N 77.52°W (Elev. 200 ft)
Last Update:
6:53 pm EST Jan 14, 2026
Forecast Valid:
8pm EST Jan 14, 2026-6pm EST Jan 21, 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