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Rosston, Pennsylvania Weather Forecast
Rosston, Pennsylvania Weather
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Weather Forecast for Rosston, Pennsylvania : Armstrong County
Issued: 1:26 am EST Dec 15, 2025 Latitude: 40.7508976 Longitude: -79.5514346 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Cloudy on Overnight 20% chance of snow on Monday Mostly Sunny on Tuesday Mostly Cloudy on Wednesday 70% chance of rain on Thursday Mostly Cloudy on Friday 30% chance of rain on Saturday 40% chance of rain on Sunday
Low: 10°F High: 21°F High: 32°F High: 41°F High: 50°F High: 29°F High: 43°F High: 41°F
Low: 11°F Low: 24°F Low: 25°F Low: 22°F Low: 18°F Low: 31°F  
Mostly Cloudy Snow Mostly Sunny Mostly Cloudy Rain Mostly Cloudy Rain Rain
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Current Conditions at
BUTLER COUNTY - (KBTP)
10°
Feels like -4°F
Cloudy
Light Snow Mist
as of 12:56 AM EST
Rel. Humidity: 92%
Dew Point: 9°F
Visibility: 5 Miles
Pressure: 30.40 in.
Flight Rule: MVFR
Wind Data
12 MPH
250° West
Cloud Level(s): Solid Overcast at 3600ft
Current Conditions at
STEWART FIELD - (KIDI)
10°
Cloudy
Mist
as of 1:15 AM EST
Rel. Humidity: 92%
Dew Point: 9°F
Visibility: 3 Miles
Pressure: 30.37 in.
Flight Rule: IFR
Wind Data
8 MPH
230° Southwest
Cloud Level(s): Scattered at 600ft, Broken at 900ft, Solid Overcast at 1400ft
Current Conditions at
LATROBE - (KLBE)
10°
Feels like -4°F
Cloudy
Light Snow
as of 1:15 AM EST
Rel. Humidity: 84%
Dew Point: 7°F
Visibility: 8 Miles
Pressure: 30.43 in.
Flight Rule: VFR
Wind Data
12 MPH
230° Southwest
Cloud Level(s): Few at 2000ft, Few at 2600ft, Solid Overcast at 3500ft
Current Conditions at
JOHNSTOWN - (KJST)
7°
Feels like -9°F
Cloudy
Light Snow Mist
as of 12:54 AM EST
Rel. Humidity: 77%
Dew Point: 1°F
Visibility: 3 Miles
Pressure: 30.25 in.
Flight Rule: MVFR
Wind Data
13 MPH
280° West
Cloud Level(s): Solid Overcast at 1200ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 10. Wind chill values as low as -1. West wind 5 to 10 mph.
20% chance of snow Monday Monday... A chance of flurries between 3pm and 4pm. Mostly cloudy, with a high near 21. Southwest wind 6 to 9 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 11. Southwest wind around 6 mph becoming calm in the evening.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 32. Calm wind becoming southwest 5 to 8 mph in the morning.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 24. South wind 6 to 9 mph, with gusts as high as 21 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 41.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 25.
70% chance of rain Thursday Thursday... Showers likely after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
90% chance of rain & snow Thursday Night Thursday Night... Rain showers before 1am, then a chance of rain and snow showers. Low around 22. Chance of precipitation is 90%.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 29.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 18.
30% chance of rain Saturday Saturday... A chance of showers. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
50% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
40% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
Current Radar Image


Sun Almanac for Rosston, Pennsylvania
Sunrise: 07:36 AM
Sunset: 4:52 PM
Civil Sunrise:07:05 AM
Civil Sunset: 5:23 PM
Nautical Sunrise: 06:30 AM
Nautical Sunset: 5:57 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:30 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.