National Weather Service Forecast for: Chester PA
Issued by: National Weather Service Philadelphia, PA
Updated: 9:03 pm EDT May 31, 2025
 
Overnight

Overnight: Mostly clear, with a low around 49. West wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 70. West wind 10 to 15 mph.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm  in the evening.
Mostly Clear
Monday

Monday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Sunny
Monday
Night
Monday Night: Partly cloudy, with a low around 57. Calm wind.
Partly Cloudy
Tuesday

Tuesday: Sunny, with a high near 84.
Sunny
Tuesday
Night
Tuesday Night: Mostly clear, with a low around 62.
Mostly Clear
Wednesday

Wednesday: Sunny, with a high near 88.
Sunny
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 67.
Mostly Clear
Lo 49 °F Hi 70 °F Lo 51 °F Hi 75 °F Lo 57 °F Hi 84 °F Lo 62 °F Hi 88 °F Lo 67 °F

 

Overnight
 
Mostly clear, with a low around 49. West wind around 10 mph, with gusts as high as 20 mph.
Sunday
 
Sunny, with a high near 70. West wind 10 to 15 mph.
Sunday Night
 
Mostly clear, with a low around 51. Southwest wind around 5 mph becoming calm in the evening.
Monday
 
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
 
Partly cloudy, with a low around 57. Calm wind.
Tuesday
 
Sunny, with a high near 84.
Tuesday Night
 
Mostly clear, with a low around 62.
Wednesday
 
Sunny, with a high near 88.
Wednesday Night
 
Mostly clear, with a low around 67.
Thursday
 
Mostly sunny, with a high near 91.
Thursday Night
 
Mostly cloudy, with a low around 71.
Friday
 
A chance of showers. Mostly cloudy, with a high near 89. Chance of precipitation is 40%.
Friday Night
 
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Saturday
 
A chance of showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Chester PA.