| National Weather Service Forecast for:
Mechanicsburg, PA Issued by: National Weather Service State College, PA |
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| Updated: Mon, 10-Aug-2026 1:46am EDT | ||||||||||||||||||||||||||||||||||||||||
| Mechanicsburg | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
A slight chance of rain showers after 5am. Partly cloudy, with a low around 68. West wind around 2 mph. Chance of precipitation is 20%. |
| Monday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers and thunderstorms likely between 3pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 90. West wind 1 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday |
A chance of rain showers before 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. West wind 3 to 7 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 1 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
A chance of rain showers before 8am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%. |
| Thursday |
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. |
| Thursday Night |
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. |
| Friday |
Mostly sunny, with a high near 80. |
| Friday Night |
Partly cloudy, with a low around 61. |
| Saturday |
A slight chance of rain showers between 8am and 2pm. Mostly sunny, with a high near 79. |
| Saturday Night |
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 62. |
| Sunday |
A slight chance of showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 81. |
Forecast from NOAA-NWS for Mechanicsburg, PA.