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: Fair 73°F 2025-07-11T04:53:00-04:00
Today 2025-07-11, Areas Fog then Chance T-storms. A chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 91. 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.
Tonight 2025-07-11, Slight Chance T-storms. A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Saturday 2025-07-12, Scattered T-storms. A slight chance of showers, then scattered showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 92. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night 2025-07-12, Scattered T-storms then Chance Showers. Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-13, Chance Showers then T-storms. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-13, T-storms then Showers Likely. Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday 2025-07-14, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.
Monday Night 2025-07-14, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday 2025-07-15, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night 2025-07-15, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday 2025-07-16, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night 2025-07-16, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday 2025-07-17, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.
Current condition: Fair 73°F 2025-07-11T04:53:00-04:00 Today 2025-07-11, Areas Fog then Chance T-storms. A chance of showers and thunderstorms after 2pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 91. 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.
Tonight 2025-07-11, Slight Chance T-storms. A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.
Saturday 2025-07-12, Scattered T-storms. A slight chance of showers, then scattered showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 92. Light and variable wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.Saturday Night 2025-07-12, Scattered T-storms then Chance Showers. Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday 2025-07-13, Chance Showers then T-storms. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night 2025-07-13, T-storms then Showers Likely. Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 70. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday 2025-07-14, Showers Likely. A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 87. Chance of precipitation is 60%.Monday Night 2025-07-14, Showers Likely then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday 2025-07-15, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night 2025-07-15, Chance T-storms then Mostly Cloudy. A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday 2025-07-16, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Wednesday Night 2025-07-16, Chance T-storms then Partly Cloudy. A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday 2025-07-17, Partly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 91. Chance of precipitation is 40%.