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Arnold, Pennsylvania Weather Forecast
Arnold, Pennsylvania Weather
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Weather Forecast for Arnold, Pennsylvania : Westmoreland County
Issued: 1:36 am EST Nov 29, 2025 Latitude: 40.5800669 Longitude: -79.7667152 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
Partly Sunny on Today 70% chance of snow on Tonight 80% chance of rain & snow on Sunday Mostly Cloudy on Monday 80% chance of snow on Tuesday Mostly Cloudy on Wednesday 30% chance of snow on Thursday 40% chance of rain & snow on Friday
High: 38°F Low: 30°F High: 45°F High: 36°F High: 37°F High: 35°F High: 32°F High: 33°F
Low: 25°F Low: 25°F Low: 21°F Low: 21°F Low: 12°F  
Partly Sunny Snow Rain & Snow Mostly Cloudy Snow Mostly Cloudy Snow Rain & Snow
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Current Conditions at
BUTLER COUNTY - (KBTP)
Partly Cloudy
as of 6:56 AM EST
Wind Data
Calm
Current Conditions at
ALLEGHENY COUNTY ARPT - (KAGC)
25°
Cloudy
as of 6:53 AM EST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.43 in.
Flight Rule: VFR
Wind Data
6 MPH
260° West
Cloud Level(s): Solid Overcast at 3500ft
Current Conditions at
PITTSBURGH - (KPIT)
27°
Mostly Cloudy
as of 6:51 AM EST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.44 in.
Flight Rule: VFR
Wind Data
3 MPH
250° West
Cloud Level(s): Broken at 3400ft
Current Conditions at
LATROBE - (KLBE)
27°
Feels like 15°F
Cloudy
as of 6:45 AM EST
Rel. Humidity: 73%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.46 in.
Flight Rule: VFR
Wind Data
13 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 3800ft
Partly Sunny on Today Today... Partly sunny, with a high near 38. Calm wind becoming east around 5 mph in the afternoon.
70% chance of snow Tonight Tonight... Snow likely, mainly after 4am. Cloudy, with a low around 30. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
80% chance of rain & snow Sunday Sunday... Rain and snow before 10am, then rain between 10am and 4pm, then a chance of rain and snow after 4pm. High near 45. South wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
30% chance of snow Sunday Night Sunday Night... A chance of snow. Mostly cloudy, with a low around 25. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 36. West wind around 6 mph becoming light and variable in the afternoon.
50% chance of snow Monday Night Monday Night... A chance of snow after 1am. Cloudy, with a low around 25. Chance of precipitation is 50%.
80% chance of snow Tuesday Tuesday... Snow. High near 37. Chance of precipitation is 80%.
30% chance of snow Tuesday Night Tuesday Night... A chance of snow before 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 35.
30% chance of snow Wednesday Night Wednesday Night... A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
30% chance of snow Thursday Thursday... A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 12.
40% chance of rain & snow Friday Friday... A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Arnold, Pennsylvania
Sunrise: 07:22 AM
Sunset: 4:53 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:18 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:30 PM
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