


NWS Forecast for: Newtown Square PA Issued by: National Weather Service Philadelphia, PA Last Update: 4:12 pm EDT Jun 22, 2025 | |
Overnight: Mostly clear, with a low around 77. Northwest wind around 5 mph. Monday: Sunny and hot, with a high near 97. Heat index values as high as 107. Northwest wind around 5 mph. Monday Night: Mostly clear, with a low around 77. West wind around 5 mph becoming calm. Tuesday: Sunny and hot, with a high near 99. Heat index values as high as 104. Northwest wind 5 to 10 mph. Tuesday Night: Mostly clear, with a low around 78. West wind around 5 mph. Wednesday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 96. Chance of precipitation is 20%. Wednesday Night: A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. Chance of precipitation is 30%. Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%. Friday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 40%. Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. Saturday: A chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 50%. Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%. | |
Newtown Square PA 39.99°N 75.44°W (Elev. 299 ft) | |
Visit your local NWS office at: https://www.weather.gov/phi/ |