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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: 2:41 am EST Dec 22, 2025 Latitude: 40.6075756 Longitude: -77.4183239 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Clear on Overnight Increasing Clouds on Monday 40% chance of freezing rain & snow on Tuesday Mostly Sunny on Wednesday 30% chance of rain on Christmas Day 80% chance of rain on Friday Partly Sunny on Saturday 50% chance of rain on Sunday
Low: 20°F High: 40°F High: 48°F High: 45°F High: 43°F High: 56°F High: 49°F High: 46°F
Low: 30°F Low: 35°F Low: 31°F Low: 38°F Low: 37°F Low: 34°F  
Clear Increasing Clouds Freezing Rain & Snow Mostly Sunny Rain Rain Partly Sunny Rain
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Current Conditions at
UNIVERSITY PARK - (KUNV)
19°
Clear
as of 3:15 AM EST
Rel. Humidity: 73%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
6 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
SELINSGROVE - (KSEG)
18°
Clear
as of 2:53 AM EST
Rel. Humidity: 78%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
3 MPH
330° Northwest
Cloud Level(s): Clear
Current Conditions at
HARRISBURG - (KCXY)
25°
Clear
as of 2:56 AM EST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.52 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
27°
Clear
as of 2:55 AM EST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 20. Calm wind.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 40. Calm wind.

80% chance of rain & snow Monday Night Monday Night... Snow before 5am, then rain and snow likely. Low around 30. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

40% chance of freezing rain & snow Tuesday Tuesday... A chance of rain, snow, and freezing rain before 10am, then a chance of rain between 10am and 1pm. Cloudy, with a high near 48. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 35. West wind 7 to 9 mph, with gusts as high as 21 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 45.

30% chance of rain Wednesday Night Wednesday Night... A chance of rain after 1am. Cloudy, with a low around 31. Chance of precipitation is 30%.

30% chance of rain Christmas Day Christmas Day... A chance of rain before 1pm. Cloudy, with a high near 43. Chance of precipitation is 30%.

60% chance of rain Thursday Night Thursday Night... Rain likely, mainly after 1am. Cloudy, with a low around 38. Chance of precipitation is 60%.

80% chance of rain Friday Friday... Rain. High near 56. Chance of precipitation is 80%.

30% chance of rain Friday Night Friday Night... A chance of rain. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 49.

40% chance of rain Saturday Night Saturday Night... A chance of rain. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.

50% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.

Current Radar Image


Sun Almanac for Arch Rock, Pennsylvania
Sunrise: 07:31 AM
Sunset: 4:46 PM
Civil Sunrise:07:00 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 5:52 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 6:25 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.