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

Showers and Cooler Temperatures in the East; Multi-Day Rain Event in the Southwest

A cold front in the East will bring showers and thunderstorms and much cooler temperatures from the Northeast into the Southeast. The Southwest, centered around New Mexico, will continue to see showers and thunderstorms, where there maybe isolated flash flooding. Tropical moisture will bring a multi-day period of thunderstorms and locally heavy rainfall across the Southwest beginning Thursday. Read More >

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Mostly Cloudy

63°F

17°C

Humidity 60%
Wind Speed N 12 G 20 mph
Barometer 30.05 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 12:15 pm EDT
Extended Forecast for

Chesterbrook PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 70. North wind around 15 mph.

    High: 70 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 43. North wind 5 to 10 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North wind 5 to 10 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, clear, with a low around 35. Calm wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 70. North wind around 15 mph.
Tonight
Clear, with a low around 43. North wind 5 to 10 mph.
Thursday
Sunny, with a high near 61. North wind 5 to 10 mph.
Thursday Night
Areas of frost after 4am. Otherwise, clear, with a low around 35. Calm wind.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Partly sunny, with a high near 69.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Columbus Day
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterbrook PA
 40.08°N 75.45°W (Elev. 200 ft)
Last Update:
4:09 am EDT Oct 8, 2025
Forecast Valid:
12pm EDT Oct 8, 2025-6pm EDT Oct 14, 2025
 
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