I-81 weather conditions near Chambersburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: A Few Clouds 72°F 2025-09-23T08:53:00-04:00 Today 2025-09-23, Mostly Cloudy then Showers. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 83. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-09-23, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 62. Light south wind. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday 2025-09-24, Cloudy then Chance Showers. A chance of showers after 2pm. Mostly cloudy, with a high near 81. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night 2025-09-24, Showers Likely. Showers likely, with thunderstorms also possible after 11pm. Cloudy, with a low around 65. Light southeast wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-09-25, Showers. Showers and possibly a thunderstorm. High near 78. South wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.Thursday Night 2025-09-25, Showers then Chance Showers. Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Low around 62. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday 2025-09-26, Chance Showers. A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 40%.
Friday Night 2025-09-26, Chance Showers. A chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday 2025-09-27, Chance Showers. A chance of showers after 8am. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Saturday Night 2025-09-27, Partly Cloudy. Partly cloudy, with a low around 57.- Sunday 2025-09-28, Sunny. Sunny, with a high near 81.
- Sunday Night 2025-09-28, Partly Cloudy. Partly cloudy, with a low around 55.
Monday 2025-09-29, Mostly Sunny. Mostly sunny, with a high near 79.