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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 Jan 21, 2026 Latitude: 40.6075756 Longitude: -77.4183239 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
20% chance of freezing rain on Tonight Mostly Cloudy on Thursday Mostly Sunny on Friday Mostly Cloudy on Saturday 90% chance of snow on Sunday Mostly Cloudy on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday
Low: 30°F High: 39°F High: 31°F High: 16°F High: 16°F High: 22°F High: 21°F High: 25°F
Low: 21°F Low: 6 °F Low: 10°F Low: 11°F Low: 3°F Low: 5°F  
Freezing Rain Mostly Cloudy Mostly Sunny Mostly Cloudy Snow Mostly Cloudy Mostly Sunny Mostly Cloudy
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Current Conditions at
UNIVERSITY PARK - (KUNV)
28°
Cloudy
as of 10:15 PM EST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: MVFR
Wind Data
5 MPH
280° West
Cloud Level(s): Solid Overcast at 2500ft
Current Conditions at
SELINSGROVE - (KSEG)
32°
Cloudy
as of 9:53 PM EST
Rel. Humidity: 54%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Solid Overcast at 5500ft
Current Conditions at
HARRISBURG - (KCXY)
37°
Cloudy
as of 9:56 PM EST
Rel. Humidity: 32%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
5 MPH
170° South
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
MUIR AAF - (KMUI)
30°
Cloudy
as of 9:55 PM EST
Rel. Humidity: 74%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Solid Overcast at 6000ft
20% chance of freezing rain Tonight Tonight... A slight chance of drizzle or freezing rain before 3am, then a slight chance of freezing rain between 3am and 4am. Mostly cloudy, with a low around 30. East wind around 6 mph becoming south after midnight. Chance of precipitation is 20%.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, then gradually becoming sunny, with a high near 39. West wind 6 to 10 mph, with gusts as high as 25 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 21. West wind 3 to 5 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 31. West wind 5 to 10 mph, with gusts as high as 25 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 6. Northwest wind 6 to 9 mph, with gusts as high as 24 mph.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 16.

80% chance of snow Saturday Night Saturday Night... Snow, mainly after 1am. Low around 10. Chance of precipitation is 80%.

90% chance of snow Sunday Sunday... Snow. High near 16. Chance of precipitation is 90%.

60% chance of snow Sunday Night Sunday Night... Snow likely, mainly before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.

Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 22.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 3.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 21.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 5.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 25.

Current Radar Image


Sun Almanac for Arch Rock, Pennsylvania
Sunrise: 07:28 AM
Sunset: 5:14 PM
Civil Sunrise:06:58 AM
Civil Sunset: 5:44 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 6:17 PM
Astro Sunrise: 05:52 AM
Astro Sunset: 6:50 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.