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Penn Common Weather Forecast
| THIS AFTERNOON | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT |
 |  | | | |  | |  |  |  | | |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Chance of Showers | Showers Likely | Showers | Showers Likely | Chance of Showers |
| Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C |
| POP: 30% | POP: 70% | POP: 80% | POP: 70% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 PM EDT Wed Oct 07 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 140 PM EDT Wed Oct 7 2026
Key Messages
1) Pleasant, uneventful early Fall weather to persist into the first part of the weekend.
2) Rain chances increase Sunday into Monday, as the remnants of Isaias quickly move through the Commonwealth.
Discussion
... KEY MESSAGE 1: Pleasant, uneventful early Fall weather to persist into the first part of the weekend.
Other than a narrow band of mid-level clouds crossing the Commonwealth, another sunny afternoon is in progress. This will lead into a mainly clear start to the evening.
Later t...