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

47°F

8°C

Humidity 54%
Wind Speed NW 15 G 25 mph
Barometer 29.68 in (1004.9 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Mar 12:52 am EDT
Extended Forecast for

Catharpin VA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 40 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Friday

    Friday: Sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 64. Southwest wind 6 to 15 mph, with gusts as high as 29 mph.

    High: 64 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.

    High: 67 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Breezy, with a northwest wind 18 to 21 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 59. Breezy, with a northwest wind 17 to 20 mph, with gusts as high as 32 mph.
Friday Night
Increasing clouds, with a low around 34. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 64. Southwest wind 6 to 15 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 33. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Mostly sunny, with a high near 58.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.86°N 77.58°W (Elev. 295 ft)
Last Update:
10:29 pm EDT Mar 20, 2025
Forecast Valid:
1am EDT Mar 21, 2025-6pm EDT Mar 27, 2025
 
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