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 and Breezy

57°F

14°C

Humidity 49%
Wind Speed W 22 G 37 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 23 Mar 1:52 pm EDT
Extended Forecast for

Catharpin VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 33 mph.

    High: 66 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 35. Light south wind.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 61. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 52. North wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 35. Light south wind.
Wednesday
Partly sunny, with a high near 61. South wind 6 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 74.
Thursday Night
A chance of rain after 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Friday
A chance of rain. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Friday Night
A chance of rain before 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.85°N 77.55°W (Elev. 233 ft)
Last Update:
2:23 pm EDT Mar 23, 2026
Forecast Valid:
2pm EDT Mar 23, 2026-6pm EDT Mar 29, 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