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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 39.85°N 75.35°W (Text-Only)
NWS Forecast for: Chester PA
Issued by: National Weather Service Philadelphia, PA
Last Update: 4:08 pm EDT Jun 29, 2026		Print

  • Tonight

    Tonight: A slight chance of showers before 7pm. Mostly clear, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Southwest wind 5 to 15 mph.

    High: 90 °F

    Sunny


  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Clear


  • Wednesday

    Wednesday: Sunny, with a high near 96. Heat index values as high as 106. West wind around 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot


  • Thursday
    Night

    Thursday Night: Clear, with a low around 79.

    Low: 79 °F

    Clear


  • Friday

    Friday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 79.

    Low: 79 °F

    Partly Cloudy




    • Tonight: A slight chance of showers before 7pm. Mostly clear, with a low around 66. South wind 5 to 10 mph. Chance of precipitation is 20%.

    Tuesday: Sunny, with a high near 90. Southwest wind 5 to 15 mph.

    Tuesday Night: Mostly clear, with a low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Wednesday: Sunny, with a high near 96. Heat index values as high as 106. West wind around 10 mph, with gusts as high as 20 mph.

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind 5 to 10 mph.

    Thursday: Sunny and hot, with a high near 101.

    Thursday Night: Clear, with a low around 79.

    Friday: Sunny and hot, with a high near 103.

    Friday Night: Partly cloudy, with a low around 79.

    Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 100. Chance of precipitation is 50%.

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Chance of precipitation is 40%.

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 95. Chance of precipitation is 30%.

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 40%.


    Chester PA
     39.85°N 75.35°W (Elev. 3 ft)

    Visit your local NWS office at: https://www.weather.gov/phi/