Tionesta, PA Weather Forecast
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Tionesta Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Chance of Showers | Chance of Showers | Partly Cloudy | Partly Cloudy | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear | Mostly Sunny | Clear |
| Hi: 59°FHi: 15°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 802 AM EDT Tue Sep 22 2026 

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Issued: 750 AM EDT Tue Sep 22 2026
Key Messages
1) Rain chances continue much of this week. Longer duration rainfall totals could be high and lead to localized flooding and/or river rises into Wednesday morning.
2) Below-normal temperatures linger through much of the week.
Discussion
... KEY MESSAGE 1... A wave of low pressure riding along the east-west draped boundary now analyzed off to our south will reinvigorate showers and storms during the early overnight hours Monday night. From roughly I-70 on north, where temperatures will h...
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