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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: 7:06 pm EST Dec 18, 2025 Latitude: 40.6075756 Longitude: -77.4183239 View on Google Maps

MouseOver for Detail Forecast
Tonight Friday Saturday Sunday Monday Tuesday Wednesday Christmas Day
100% chance of rain on Tonight 90% chance of rain & snow on Friday Increasing Clouds on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Cloudy on Tuesday Partly Sunny on Wednesday 30% chance of rain on Christmas Day
Low: 42°F High: 30 °F High: 39°F High: 39°F High: 36°F High: 42°F High: 45°F High: 46°F
Low: 22°F Low: 31°F Low: 23°F Low: 24°F Low: 33°F Low: 32°F  
Rain Rain & Snow Increasing Clouds Mostly Sunny Mostly Sunny Mostly Cloudy Partly Sunny Rain
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Current Conditions at
UNIVERSITY PARK - (KUNV)
41°
Cloudy
Rain
as of 9:53 PM EST
Rel. Humidity: 100%
Dew Point: 41°F
Visibility: 4 Miles
Pressure: 29.85 in.
Flight Rule: MVFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 1300ft
Current Conditions at
SELINSGROVE - (KSEG)
45°
Cloudy
Light Rain Mist
as of 9:53 PM EST
Rel. Humidity: 93%
Dew Point: 43°F
Visibility: 5 Miles
Pressure: 29.91 in.
Flight Rule: MVFR
Wind Data
7 MPH
170° South
Cloud Level(s): Scattered at 1600ft, Solid Overcast at 2300ft
Current Conditions at
HARRISBURG - (KCXY)
43°
Feels like 37°F
Cloudy
Rain Mist
as of 9:56 PM EST
Rel. Humidity: 100%
Dew Point: 43°F
Visibility: 2 Miles
Pressure: 29.93 in.
Flight Rule: IFR
Wind Data
9 MPH
100° East
Cloud Level(s): Scattered at 2300ft, Broken at 2700ft, Solid Overcast at 3400ft
Current Conditions at
MUIR AAF - (KMUI)
41°
Cloudy
Rain Mist
as of 10:01 PM EST
Rel. Humidity: 100%
Dew Point: 41°F
Visibility: 3/4 Miles
Pressure: 29.92 in.
Flight Rule: LIFR
Wind Data
3 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 400ft
100% chance of rain Tonight Tonight... Rain. Low around 42. Light and variable wind becoming southeast 6 to 11 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

90% chance of rain & snow Friday Friday... Rain and snow showers before 2pm, then a slight chance of rain between 2pm and 3pm. Temperature falling to around 30 by 5pm. Breezy, with a west wind 13 to 20 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 22. Breezy, with a west wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 47 mph.

Increasing Clouds on Saturday Saturday... Increasing clouds, with a high near 39. Light and variable wind.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 31. Calm wind becoming southwest around 6 mph after midnight. Winds could gust as high as 20 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 39.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 23.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 36.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 24.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 42.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 33.

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

30% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.

30% chance of rain Christmas Day Christmas Day... A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.

Current Radar Image


Sun Almanac for Arch Rock, Pennsylvania
Sunrise: 07:28 AM
Sunset: 4:44 PM
Civil Sunrise:06:58 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:50 AM
Astro Sunset: 6:23 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.