Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Overcast

64°F

18°C

Humidity 94%
Wind Speed N 3 mph
Barometer 30.02 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 28 Sep 3:35 am EDT
Extended Forecast for

Chesterbrook PA

  • Overnight

    Overnight: A chance of showers, mainly before 5am.  Cloudy, with a low around 61. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm.

    Low: 60 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 80. East wind around 5 mph.

    High: 80 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 61. Calm wind becoming east around 5 mph.

    Low: 61 °F

    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly before 5am. Cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly sunny, with a high near 81. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 80. East wind around 5 mph.
Monday Night
Cloudy, with a low around 61. Calm wind becoming east around 5 mph.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Chesterbrook PA
 40.06°N 75.46°W (Elev. 443 ft)
4:10 pm EDT Sep 27, 2025
3am EDT Sep 28, 2025-6pm EDT Oct 4, 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