| NWS Forecast for: Chambersburg PA Issued by: National Weather Service State College, PA Last Update: 9:27 am EDT Jul 20, 2025 |  |
Today: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 89. West wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Tonight: A slight chance of showers before 9pm. Partly cloudy, with a low around 66. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%. Monday: Mostly sunny, with a high near 85. Calm wind becoming north around 6 mph in the morning. Monday Night: Partly cloudy, with a low around 59. Light northeast wind. Tuesday: Sunny, with a high near 82. Light northeast wind. Tuesday Night: Mostly clear, with a low around 60. Wednesday: Mostly sunny, with a high near 86. Wednesday Night: Partly cloudy, with a low around 65. Thursday: Sunny, with a high near 91. Thursday Night: Partly cloudy, with a low around 70. Friday: A chance of showers. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%. Friday Night: A chance of showers. Mostly cloudy, with a low around 73. Chance of precipitation is 30%. Saturday: A chance of showers and thunderstorms. Partly sunny and hot, with a high near 94. Chance of precipitation is 40%. | |
| Chambersburg PA 39.93°N 77.66°W (Elev. 617 ft) | |
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