| NWS Forecast for: Chambersburg PA Issued by: National Weather Service State College, PA Last Update: 11:24 pm EDT Jul 12, 2025 | |
Overnight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 70. Calm wind. Sunday: Showers and thunderstorms, mainly after 5pm. Patchy fog before 8am. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Sunday Night: Showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. Monday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light and variable wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Monday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 67. Calm wind. Chance of precipitation is 30%. Tuesday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 91. Chance of precipitation is 20%. Tuesday Night: Partly cloudy, with a low around 70. Wednesday: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%. Wednesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 93. Chance of precipitation is 60%. Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. Friday: Showers likely and possibly a thunderstorm. Partly sunny and hot, with a high near 92. Chance of precipitation is 60%. Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. Saturday: A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 40%. | |
| Chambersburg PA 39.93°N 77.66°W (Elev. 617 ft) | |
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