National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

76°F

24°C

Humidity 32%
Wind Speed W 10 G 17 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 8 Oct 12:52 pm EDT
Extended Forecast for

Catharpin VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 77. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 52. Calm wind.

    Low: 52 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 77. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 51. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Increasing clouds, with a low around 52. Calm wind.
Saturday
Partly sunny, with a high near 72. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Sunday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Columbus Day
A chance of showers, mainly before 8am. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Catharpin VA
 38.85°N 77.55°W (Elev. 233 ft)
Last Update:
10:52 am EDT Oct 8, 2026
Forecast Valid:
1pm EDT Oct 8, 2026-6pm EDT Oct 14, 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