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.

Mostly Cloudy and Windy

55°F

13°C

Humidity 34%
Wind Speed SW 26 G 40 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 13 Mar 5:52 pm EDT
Extended Forecast for

Catharpin VA

Wind Advisory March 13, 06:24pm until March 13, 07:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory March 13, 06:24pm until March 13, 07:00pm

    NOW until 7:00pm Fri

    Wind Advisory

  • Tonight

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 57. West wind 7 to 14 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Breezy.
    Showers
    Likely then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Showers and
    Breezy then
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Southwest wind 10 to 18 mph, with gusts as high as 46 mph.
Saturday
Mostly sunny, with a high near 57. West wind 7 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 37. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 57.
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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:
4:53 pm EDT Mar 13, 2026
Forecast Valid:
6pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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