I-81 weather conditions near Jonestown, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Partly Cloudy 97°F 2025-06-24T13:55:00-04:00
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 75. West wind around 6 mph becoming calm in the evening.
Wednesday 2025-06-25, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light north wind. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-06-26, Chance Showers then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-26, T-storms Likely then Showers Likely. Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-27, Chance Showers. A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-06-27, Chance T-storms. A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Saturday 2025-06-28, Mostly Cloudy then T-storms Likely. Showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Saturday Night 2025-06-28, T-storms Likely. Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday 2025-06-29, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night 2025-06-29, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday 2025-06-30, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night 2025-06-30, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Tuesday 2025-07-01, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Current condition: Partly Cloudy 97°F 2025-06-24T13:55:00-04:00 
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 75. West wind around 6 mph becoming calm in the evening.Wednesday 2025-06-25, Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night 2025-06-25, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Light north wind. Chance of precipitation is 30%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-06-26, Chance Showers then T-storms Likely. A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-06-26, T-storms Likely then Showers Likely. Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. East wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday 2025-06-27, Chance Showers. A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night 2025-06-27, Chance T-storms. A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.Saturday 2025-06-28, Mostly Cloudy then T-storms Likely. Showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Saturday Night 2025-06-28, T-storms Likely. Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.Sunday 2025-06-29, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Sunday Night 2025-06-29, Chance T-storms. A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 30%.Monday 2025-06-30, Mostly Sunny then Chance T-storms. A chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Monday Night 2025-06-30, Chance T-storms. A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.Tuesday 2025-07-01, Chance Showers then T-storms Likely. Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.