Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

66°F

19°C

Humidity 83%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 30 Sep 12:55 am EDT
Extended Forecast for

Chesterbrook PA

  • Overnight

    Overnight: Cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Cloudy

  • Tuesday

    Tuesday: Cloudy, with a high near 80. Northeast wind 5 to 10 mph.

    High: 80 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northeast wind 5 to 10 mph.

    Low: 52 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 70. North wind around 10 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Northeast wind around 5 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 62. Calm wind.
Tuesday
Cloudy, with a high near 80. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 70. North wind around 10 mph.
Wednesday Night
Clear, with a low around 45. Northeast wind around 5 mph.
Thursday
Sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterbrook PA
 40.08°N 75.45°W (Elev. 200 ft)
4:10 pm EDT Sep 29, 2025
1am EDT Sep 30, 2025-6pm EDT Oct 6, 2025
 
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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