National Weather Service Forecast for: Chesterbrook PA
Issued by: National Weather Service Philadelphia, PA
Updated: 4:28 pm EDT Jul 28, 2026
 
Tonight

Tonight: Showers and thunderstorms, mainly before 4am. Some of the storms could be severe and produce heavy rainfall. Low around 65. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Severe
T-Storms
then Chance
T-storms
 Wednesday

Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: A slight chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 63. Northwest wind around 10 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Thursday

Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Mostly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. North wind around 5 mph. Chance of precipitation is 30%.
Chance
Showers then
Mostly Clear
 Friday

Friday: Sunny, with a high near 83.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 65.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 87.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 66.
Mostly Cloudy
Lo 65 °F Hi 80 °F Lo 63 °F Hi 80 °F Lo 63 °F Hi 83 °F Lo 65 °F Hi 87 °F Lo 66 °F

Flood Watch
Tornado Watch
 

Tonight
 
 Showers and thunderstorms, mainly before 4am. Some of the storms could be severe and produce heavy rainfall. Low around 65. South wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
 
 A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
 
 A slight chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 63. Northwest wind around 10 mph. Chance of precipitation is 20%.
Thursday
 
 A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 80. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 63. North wind around 5 mph. Chance of precipitation is 30%.
Friday
 
 Sunny, with a high near 83.
Friday Night
 
 Partly cloudy, with a low around 65.
Saturday
 
 Mostly sunny, with a high near 87.
Saturday Night
 
 Mostly cloudy, with a low around 66.
Sunday
 
 A chance of showers after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Monday
 
 A chance of showers. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Monday Night
 
 A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Chesterbrook PA.