7-Day Forecast 39.99°N 75.44°W (Text-Only)
NWS Forecast for: Newtown Square PA
Issued by: National Weather Service Philadelphia, PA
Last Update: 4:11 pm EDT Jun 23, 2025
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  • Tonight

    Tonight: Mostly clear, with a low around 78. West wind around 5 mph becoming calm.

    Low: 78 °F

    Mostly Clear



  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Northwest wind around 5 mph.

    High: 98 °F

    Hot



  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 78. West wind around 5 mph becoming calm  in the evening.

    Low: 78 °F

    Mostly Clear



  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 2pm.  Sunny, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph.  Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers.  Partly cloudy, with a low around 74. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers and thunderstorms likely after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    Showers then
    T-storms
    Likely

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    T-storms
    Likely


  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly cloudy, with a high near 80. Chance of precipitation is 40%.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    T-storms




  • Tonight: Mostly clear, with a low around 78. West wind around 5 mph becoming calm.

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Northwest wind around 5 mph.

    Tuesday Night: Mostly clear, with a low around 78. West wind around 5 mph becoming calm in the evening.

    Wednesday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 102. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Thursday: A slight chance of showers, then showers and thunderstorms likely after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Thursday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Friday: A chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.

    Saturday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%.

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

    Sunday: A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

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

    Monday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 40%.



    Newtown Square PA
     39.99°N 75.44°W (Elev. 299 ft)

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