Weather WorldMount Union School, PA Weather Forecast
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Mount Union School Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  |  | | |  | | | | |
| Patchy Fog | Partly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Partly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 430 PM EDT Tue Aug 25 2026 
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Issued: 231 PM EDT Tue Aug 25 2026
Key Messages
1) Warmer and more humid temperature build starting during the second half of the week
2) Showers with strong to isolated severe thunderstorms are expected for Thursday
Discussion
... KEY MESSAGE 1: Warmer and more humid temperature build starting during the second half of the week.
Cooler temperatures through the middle of the week associated with a trough will give way to increasing humidity and warmer temperatures starting Wednesday afternoon. Increased temperatures and humidity will ...