Plains, PA Weather Forecast
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Plains Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Partly Sunny | Patchy Fog | Patchy Fog | Mostly Clear | Chance of Showers | Partly Cloudy | Partly Sunny | Showers | Showers | Partly Cloudy | Partly Sunny | Mostly Clear |
| Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 31°FLo: -1°C |
| POP: 40% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1235 PM EDT Mon Oct 12 2026 

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Issued: 142 PM EDT Mon Oct 12 2026
Key Messages
1) Dry and warm weather returns today.
2) A low pressure system will bring numerous showers and a chance for a few strong thunderstorms on Tuesday.
3) A deep upper trough may move through the region to end the week, bringing rain and the possibility for the first snow showers of the season.
Discussion
... KEY MESSAGE 1
The rain has push out overnight and ridging builds into the area today with dry and warmer conditions. Mostly cloudy skies will likely linger into the afternoon, however hi...
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