| NWS Forecast for: Bryn Mawr PA Issued by: National Weather Service Philadelphia, PA Last Update: 4:12 pm EDT Jul 13, 2025 |  |
Tonight: A chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 30%. Monday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 86. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. 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 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 88. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 50%. Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%. Friday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Chance of precipitation is 50%. Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%. Saturday: A chance of showers. Partly sunny, with a high near 89. Chance of precipitation is 40%. Saturday Night: A chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 30%. Sunday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%. | |
| Bryn Mawr PA 40.02°N 75.32°W (Elev. 397 ft) | |
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