| NWS Forecast for: Chambersburg PA Issued by: National Weather Service State College, PA Last Update: 8:13 pm EDT Jun 30, 2025 |  |
Tonight: Showers and thunderstorms likely before 2am, then a slight chance of showers. Patchy fog. Otherwise, mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible. Tuesday: Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 29. Southwest wind 8 to 11 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible. Tuesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Patchy fog after 1am. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 20. Calm wind. Chance of precipitation is 60%. New precipitation amounts between 2.5 and 5 mm possible. Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 31. Northwest wind 3 to 8 km/h. Wednesday Night: Mostly clear, with a low around 18. Calm wind. Thursday: A slight chance of showers and thunderstorms after 2pm. Sunny, with a high near 32. Chance of precipitation is 20%. Thursday Night: Mostly clear, with a low around 17. Independence Day: Sunny, with a high near 31. Friday Night: Partly cloudy, with a low around 17. Saturday: Mostly sunny, with a high near 32. Saturday Night: Partly cloudy, with a low around 20. Sunday: Mostly sunny and hot, with a high near 34. Sunday Night: Partly cloudy, with a low around 22. Monday: A chance of showers and thunderstorms. Partly sunny and hot, with a high near 33. Chance of precipitation is 40%. | |
| Chambersburg PA 39.93°N 77.66°W (Elev. 617 m) | |
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