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Sizerville State Park, PA Weather Forecast
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Sizerville State Park Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Showers | Patchy Fog | Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C |
| POP: 90% | POP: 50% | POP: 80% | POP: 80% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 900 AM EDT Thu Aug 20 2026 
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Sizerville State Park Forecast Discussion
Issued: 639 AM EDT Thu Aug 20 2026
Key Messages
1) Locally heavy rain and a few strong thunderstorms possible across south central Pennsylvania today.
2) An unsettled weekend will be bookended by dry and sunny weather on Friday and early next week.
Discussion
... KEY MESSAGE 1: Locally heavy rain and a few strong thunderstorms possible across south central Pennsylvania today
A low pressure system centered in the Ohio Valley this morning will drift east today, bringing a period of unsettled weather across ...