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

65°F

18°C

Humidity 66%
Wind Speed Calm
Barometer 29.93 in (1013.2 mb)
Dewpoint 53°F (12°C)
Visibility 8.00 mi
Last update 16 Apr 6:52 am EDT
Extended Forecast for

5 Miles NW Catharpin VA

  • Today

    Today: Mostly sunny, with a high near 92. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers after 11pm. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.

    Low: 67 °F

    Isolated
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 83. Northwest wind 7 to 11 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 39. Chance of precipitation is 30%.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 92. Light southwest wind increasing to 6 to 11 mph in the morning.
Tonight
Isolated showers after 11pm. Partly cloudy, with a low around 67. Southwest wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 83. Northwest wind 7 to 11 mph.
Friday Night
Mostly clear, with a low around 60. North wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 89. Light southeast wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 39. Chance of precipitation is 30%.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 50.
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:
4:54 am EDT Apr 16, 2026
Forecast Valid:
7am 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