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Borough of Monaca, PAMonaca, PA Weather Forecast
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Monaca Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  |  | | | |  |  |
| Showers | Snow Showers | Rain/Snow Showers | Mostly Cloudy | Partly Sunny | Clear | Mostly Sunny | Clear | Sunny | Clear | Partly Cloudy | Partly Cloudy |
| Hi: 41°FHi: 5°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C | Hi: 50°FHi: 10°C | Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C | Lo: 29°FLo: -2°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 39°FLo: 4°C |
| POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 102 PM EST Sat Nov 14 2026 
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Issued: 1214 PM EST Sat Nov 14 2026
Key Messages
1) Continued lake-effect showers, with snow/graupel mixing in at times for more intense showers and/or high terrain.
2) Dry with a warming trend through the week.
Discussion
... KEY MESSAGE 1... NW flow behind an upper low passage continues to support lake- enhanced showers, primarily favoring the region downstream of a Huron-Erie fetch. For today and tonight, this will favor western PA and the WV high terrain with orographic influence, but with a shortwave passage tonight, precipitatio...