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.

Mostly Cloudy

73°F

23°C

Humidity 46%
Wind Speed S 6 mph
Barometer 29.90 in (1012.2 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Apr 1:52 am EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 9 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 67. Southwest wind around 8 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 90. Light southwest wind increasing to 5 to 9 mph in the afternoon.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Southwest wind around 8 mph becoming west after midnight. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 83. West wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Catharpin VA
 38.9°N 77.62°W (Elev. 348 ft)
Last Update:
10:54 pm EDT Apr 15, 2026
Forecast Valid:
2am EDT Apr 16, 2026-6pm EDT Apr 22, 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