I-81 weather conditions near Mechanicsburg, Pennsylvania
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: A Few Clouds 65°F 2025-09-20T08:56:00-04:00 
Today 2025-09-20, Mostly Sunny. Mostly sunny, with a high near 79. East wind around 6 mph.
Tonight 2025-09-20, Increasing Clouds. Increasing clouds, with a low around 59. East wind around 6 mph.
Sunday 2025-09-21, Mostly Cloudy. Mostly cloudy, with a high near 75. Southeast wind around 7 mph.- Sunday Night 2025-09-21, Mostly Cloudy. Mostly cloudy, with a low around 59. Southeast wind around 6 mph.
- Monday 2025-09-22, Mostly Cloudy. Mostly cloudy, with a high near 81. South wind 5 to 7 mph.
Monday Night 2025-09-22, Slight Chance T-storms. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 20%.Tuesday 2025-09-23, Chance Showers then Showers Likely. Showers likely, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night 2025-09-23, Showers Likely then Chance Showers. Showers likely, mainly before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Wednesday 2025-09-24, Mostly Cloudy then Chance Showers. A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night 2025-09-24, Chance Showers. A chance of showers before 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.Thursday 2025-09-25, Partly Sunny then Chance Showers. A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 30%.
- Thursday Night 2025-09-25, Chance Showers. A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday 2025-09-26, Chance Showers. A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 30%.