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: Overcast 82°F 2025-06-18T11:53:00-04:00 
This Afternoon 2025-06-18, Showers Likely. A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 85. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Tonight 2025-06-18, Chance Showers then Mostly Clear. A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth 2025-06-19, Chance T-storms then T-storms. A chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, T-storms then Mostly Clear. Showers and possibly a thunderstorm before 8pm. Low around 62. West wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-20, Sunny. Sunny, with a high near 84. Northwest wind around 6 mph.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 63.- Saturday 2025-06-21, Sunny. Sunny, with a high near 88.
- Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 68.
Sunday 2025-06-22, Hot. Mostly sunny and hot, with a high near 94.
Sunday Night 2025-06-22, Mostly Clear. Mostly clear, with a low around 72.- Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
- Monday Night 2025-06-23, Mostly Clear. Mostly clear, with a low around 73.
- Tuesday 2025-06-24, Hot. Sunny and hot, with a high near 96.