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 66°F 2025-06-17T06:53:00-04:00
Today 2025-06-17, Chance Showers and Patchy Fog then Showers Likely. A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 79. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight 2025-06-17, Showers then Showers Likely. Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 5am, then a chance of showers after 5am. Low around 69. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday 2025-06-18, Chance T-storms then T-storms. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night 2025-06-18, Showers then Partly Cloudy. Showers and possibly a thunderstorm before 8pm. Low around 69. Light southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth 2025-06-19, Chance Showers then Severe Thunderstorms. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Partly sunny, with a high near 88. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, Severe Thunderstorms then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 63. Chance of precipitation is 60%. 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 85.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 64.
Saturday 2025-06-21, Mostly Sunny. Mostly sunny, with a high near 90.
Saturday Night 2025-06-21, Partly Cloudy. Partly cloudy, with a low around 69.
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 73.
Monday 2025-06-23, Hot. Sunny and hot, with a high near 97.
Current condition: Overcast 66°F 2025-06-17T06:53:00-04:00 Today 2025-06-17, Chance Showers and Patchy Fog then Showers Likely. A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 79. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tonight 2025-06-17, Showers then Showers Likely. Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 5am, then a chance of showers after 5am. Low around 69. Light south wind. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday 2025-06-18, Chance T-storms then T-storms. A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 86. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night 2025-06-18, Showers then Partly Cloudy. Showers and possibly a thunderstorm before 8pm. Low around 69. Light southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Juneteenth 2025-06-19, Chance Showers then Severe Thunderstorms. A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Some of the storms could be severe. Partly sunny, with a high near 88. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-19, Severe Thunderstorms then Partly Cloudy. Showers likely and possibly a thunderstorm before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 63. Chance of precipitation is 60%. 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 85.
Friday Night 2025-06-20, Partly Cloudy. Partly cloudy, with a low around 64.
Saturday 2025-06-21, Mostly Sunny. Mostly sunny, with a high near 90.
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 73.