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

35°F

2°C

Humidity 46%
Wind Speed NW 13 G 20 mph
Barometer 30.51 in (1033.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 28 Mar 8:52 am EDT
Extended Forecast for

Catharpin VA

  • Today

    Today: Sunny, with a high near 52. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. South wind 6 to 16 mph, with gusts as high as 28 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 71. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Mostly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 52. Northwest wind 14 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 27. Northwest wind around 6 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 61. South wind 6 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 45. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 71. Southwest wind 11 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Showers likely after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Thursday Night
Showers likely. Cloudy, with a low around 43. Chance of precipitation is 70%.
Friday
Showers likely. Cloudy, with a high near 53. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
7:53 am EDT Mar 28, 2026
Forecast Valid:
9am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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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