Weather WorldKeystone in Perry County, PA 7-Day Weather Forecast
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Keystone in Perry County Weather Forecast
Keystone in Perry County, PA Weather Forecast Date: 430 PM EDT Wed Aug 26 2026
Weather forecast for Keystone in Perry County, PA
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy this evening, then becoming partly cloudy. Not as cool with lows in the mid 60s. Southeast winds around 5 mph. |
Thu Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Some thunderstorms May be severe. Humid with highs in the mid 80s. South winds around 5 mph. Chance of rain 50%. |
Fri Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Mostly sunny. Humid with highs in the lower 80s. Northwest winds around 5 mph. |
| Sat Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Saturday... Sunny. Highs in the lower 80s. |
| Sun Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Sunday... Mostly sunny. Humid with highs in the mid 80s. |
| Mon Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Monday... Mostly sunny. Humid with highs in the mid 80s. |
| Tue Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Mostly sunny. Humid with highs in the upper 80s. |
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