Keystone, Pennsylvania Weather
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Weather Forecast for Keystone, Pennsylvania : Perry County
Issued: 12:03 pm EDT Apr 29, 2025 Latitude: 40.3261981 Longitude: -77.0549782 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
50% chance of thunderstorms on Tonight Mostly Sunny on Wednesday 30% chance of thunderstorms on Thursday 60% chance of thunderstorms on Friday 70% chance of thunderstorms on Saturday Mostly Sunny on Sunday 30% chance of on Monday 40% chance of on Tuesday
Low: 60°F High: 73°F High: 76°F High: 81°F High: 70°F High: 64°F High: 67°F High: 72°F
Low: 50°F Low: 62°F Low: 58°F Low: 46°F Low: 48°F Low: 50°F  
Thunderstorms Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Partly Sunny Partly Sunny
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Current Conditions at
COLLEGE PARK ARPT - (KCGS)
81°
Clear
as of 2:35 PM EDST
Rel. Humidity: 39%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
9 MPH
220° Southwest
Cloud Level(s): Clear
50% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 60. West wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 73. Northwest wind 6 to 8 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 50. Calm wind.
30% chance of thunderstorms Thursday Thursday... A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
70% chance of thunderstorms Thursday Night Thursday Night... A chance of showers and thunderstorms, then showers likely after 8pm. Mostly cloudy, with a low around 62. Southeast wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of thunderstorms Friday Friday... A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
60% chance of rain Friday Night Friday Night... Showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
70% chance of thunderstorms Saturday Saturday... Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
30% chance of thunderstorms Saturday Night Saturday Night... A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 64.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 48.
30% chance of Monday Monday... A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
30% chance of rain Monday Night Monday Night... A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
40% chance of Tuesday Tuesday... A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Sun Almanac for Keystone, Pennsylvania
Sunrise: 06:09 AM
Sunset: 8:02 PM
Civil Sunrise:05:40 AM
Civil Sunset: 8:31 PM
Nautical Sunrise: 05:04 AM
Nautical Sunset: 9:07 PM
Astro Sunrise: 04:26 AM
Astro Sunset: 9:45 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.