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

Hazardous Weather Conditions

Current conditions at

Brandywine Regional Airport (KOQN)

Lat: 39.99°NLon: 75.58°WElev: 465ft.

Fair

81°F

27°C

Humidity 32%
Wind Speed SE 3 mph
Barometer 30.21 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 9 Aug 5:55 pm EDT
Extended Forecast for

Chesterbrook PA

  • Tonight

    Tonight: Clear, with a low around 59. Calm wind.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 61. South wind around 5 mph becoming calm.

    Low: 61 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming southwest around 5 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 59. Calm wind.
Sunday
Sunny, with a high near 88. Calm wind.
Sunday Night
Clear, with a low around 61. South wind around 5 mph becoming calm.
Monday
Sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 64. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 70.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chesterbrook PA
 40.08°N 75.45°W (Elev. 200 ft)
Last Update:
4:11 pm EDT Aug 9, 2025
Forecast Valid:
6pm EDT Aug 9, 2025-6pm EDT Aug 16, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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