National Weather Service Forecast for:
Chester PA Issued by: National Weather Service Philadelphia, PA |
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Updated: 4:12 pm EDT Jul 7, 2025 | ||||||||||||||||||
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Overnight |
Mostly clear, with a low around 75. Calm wind. |
Tuesday |
A chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 93. Heat index values as high as 102. West wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Tuesday Night |
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday |
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Wednesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Thursday |
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Thursday Night |
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Cloudy, with a low around 71. Chance of precipitation is 60%. |
Friday |
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 40%. |
Friday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. |
Saturday |
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 83. Chance of precipitation is 30%. |
Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%. |
Sunday |
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%. |
Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. |
Monday |
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Chester PA.