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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: 7:58 pm EST Jan 18, 2026 Latitude: 40.6075756 Longitude: -77.4183239 View on Google Maps

MouseOver for Detail Forecast
Tonight M.L.King Day Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Cloudy on Tonight Partly Sunny on M.L.King Day Mostly Sunny on Tuesday 20% chance of rain & snow on Wednesday Partly Sunny on Thursday Partly Sunny on Friday 30% chance of snow on Saturday 40% chance of snow on Sunday
Low: 18°F High: 31°F High: 19°F High: 33°F High: 36°F High: 29°F High: 26°F High: 19°F
Low: 9 °F Low: 8 °F Low: 24°F Low: 15°F Low: 16°F Low: 10°F  
Mostly Cloudy Partly Sunny Mostly Sunny Rain & Snow Partly Sunny Partly Sunny Snow Snow
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Current Conditions at
UNIVERSITY PARK - (KUNV)
18°
Mostly Cloudy
as of 7:53 PM EST
Rel. Humidity: 61%
Dew Point: 7°F
Visibility: 10 Miles
Pressure: 29.91 in.
Flight Rule: VFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Broken at 4100ft
Current Conditions at
SELINSGROVE - (KSEG)
18°
Clear
as of 7:53 PM EST
Rel. Humidity: 67%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HARRISBURG - (KCXY)
23°
Clear
as of 7:56 PM EST
Rel. Humidity: 53%
Dew Point: 9°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
25°
Feels like 13°F
Clear
as of 7:55 PM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
12 MPH
280° West
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 18. Calm wind.

Partly Sunny on M.L.King Day M.L.King Day... Partly sunny, with a high near 31. Light and variable wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 37 mph.

Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 9. Wind chill values as low as zero. West wind 7 to 14 mph, with gusts as high as 38 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 19. Wind chill values as low as zero. West wind 6 to 9 mph, with gusts as high as 25 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 8. Light and variable wind.

20% chance of rain & snow Wednesday Wednesday... A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 33. Chance of precipitation is 20%.

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

Partly Sunny on Thursday Thursday... Partly sunny, with a high near 36.

Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 15.

Partly Sunny on Friday Friday... Partly sunny, with a high near 29.

Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 16.

30% chance of snow Saturday Saturday... A chance of snow showers. Partly sunny, with a high near 26. Chance of precipitation is 30%.

30% chance of snow Saturday Night Saturday Night... A chance of snow showers. Mostly cloudy, with a low around 10. Chance of precipitation is 30%.

40% chance of snow Sunday Sunday... A chance of snow showers. Partly sunny, with a high near 19. Chance of precipitation is 40%.

Current Radar Image


Sun Almanac for Arch Rock, Pennsylvania
Sunrise: 07:30 AM
Sunset: 5:11 PM
Civil Sunrise:07:00 AM
Civil Sunset: 5:40 PM
Nautical Sunrise: 06:26 AM
Nautical Sunset: 6:14 PM
Astro Sunrise: 05:54 AM
Astro Sunset: 6:47 PM
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