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Arch Rock, Pennsylvania Weather Forecast
Arch Rock, Pennsylvania Weather
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Weather Forecast for Arch Rock, Pennsylvania : Juniata County
Issued: 2:06 am EST Dec 20, 2025 Latitude: 40.6075756 Longitude: -77.4183239 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Christmas Day Friday
Cloudy on Overnight Mostly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 30% chance of freezing rain on Tuesday Mostly Sunny on Wednesday 40% chance of rain on Christmas Day Mostly Cloudy on Friday
Low: 22°F High: 39°F High: 38°F High: 37°F High: 48°F High: 44°F High: 51°F High: 55°F
Low: 31°F Low: 20°F Low: 27°F Low: 32°F Low: 31°F Low: 42°F  
Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Freezing Rain Mostly Sunny Rain Mostly Cloudy
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Current Conditions at
UNIVERSITY PARK - (KUNV)
21°
Feels like 10°F
Cloudy
as of 2:15 AM EST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: MVFR
Wind Data
9 MPH
Gust: 17 MPH
300° Northwest
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
SELINSGROVE - (KSEG)
25°
Feels like 13°F
Mostly Clear
as of 1:53 AM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
300° Northwest
Cloud Level(s): Few at 3800ft
Current Conditions at
HARRISBURG - (KCXY)
27°
Feels like 17°F
Clear
as of 1:56 AM EST
Rel. Humidity: 45%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
9 MPH
320° Northwest
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 22. West wind 5 to 8 mph, with gusts as high as 23 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 39. Calm wind becoming southeast around 5 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 31. Light and variable wind becoming west around 5 mph after midnight. Winds could gust as high as 21 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 38. West wind 6 to 10 mph, with gusts as high as 26 mph.

Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 20. Northwest wind 3 to 7 mph. Winds could gust as high as 28 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 37.

50% chance of freezing rain & snow Monday Night Monday Night... A chance of snow after 1am, mixing with freezing rain after 4am. Cloudy, with a low around 27. Chance of precipitation is 50%.

30% chance of freezing rain Tuesday Tuesday... A chance of rain or freezing rain before 1pm. Cloudy, with a high near 48. Chance of precipitation is 30%.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 44.

40% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

40% chance of rain Christmas Day Christmas Day... A chance of showers. Cloudy, with a high near 51. Chance of precipitation is 40%.

30% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.

Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 55.

Sun Almanac for Arch Rock, Pennsylvania
Sunrise: 07:30 AM
Sunset: 4:45 PM
Civil Sunrise:06:59 AM
Civil Sunset: 5:16 PM
Nautical Sunrise: 06:24 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:51 AM
Astro Sunset: 6:24 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.