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Borough of Mount Pleasant, PAMount Pleasant, PA Weather Forecast
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Mount Pleasant Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Partly Cloudy | Clear | Mostly Sunny | Clear | Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear |
| Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 613 AM EDT Sun Oct 04 2026 
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Issued: 714 AM EDT Sun Oct 4 2026
Key Messages
1) A dry forecast for the next 7 to 10 days. Frost is a possibility Tuesday and Wednesday mornings north of I-80 and mountains of southwest PA and northern WV.
Discussion
... KEY MESSAGE 1... A dry period continues to be the case in the forecast. Sunday will feature a shortwave beginning to move into the region but will be well to the north of the forecast area. Thus, a dry forecast will be in place. Cloud cover is expected ahead of the trough and will pass through the area through the...