


NWS Forecast for: Newtown Square PA Issued by: National Weather Service Philadelphia, PA Last Update: 4:11 pm EDT Jun 23, 2025 | ![]() |
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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