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Althom, Pennsylvania Weather Forecast
Althom, Pennsylvania Weather
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Weather Forecast for Althom, Pennsylvania : Warren County
Issued: 1:05 pm EST Dec 18, 2025 Latitude: 41.7533933 Longitude: -79.3028249 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 Partly Sunny on Saturday Partly Sunny on Sunday Partly Sunny on Monday 50% chance of rain on Tuesday Mostly Cloudy on Wednesday 50% chance of rain on Christmas Day
Low: 31°F High: 22 °F High: 39°F High: 29°F High: 30°F High: 41°F High: 39°F High: 46°F
Low: 15°F Low: 21°F Low: 15°F Low: 21°F Low: 28°F Low: 29°F  
Rain Rain & Snow Partly Sunny Partly Sunny Partly Sunny Rain Mostly Cloudy Rain
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100% chance of rain Tonight Tonight... Rain, mainly after 9pm. Low around 31. South wind 11 to 14 mph, with gusts as high as 34 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, becoming all snow after 10am. Temperature falling to around 22 by 4pm. West wind 10 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

60% chance of snow Friday Night Friday Night... Snow showers likely, mainly before 7pm. Mostly cloudy, with a low around 15. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 39. South wind 6 to 10 mph, with gusts as high as 22 mph.

20% chance of rain & snow Saturday Night Saturday Night... A slight chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 21. West wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

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

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 15.

Partly Sunny on Monday Monday... Partly sunny, with a high near 30.

40% chance of snow Monday Night Monday Night... A chance of snow after 1am. Mostly cloudy, with a low around 21. Chance of precipitation is 40%.

50% chance of rain Tuesday Tuesday... A chance of rain before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 28.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 39.

40% chance of rain Wednesday Night Wednesday Night... A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

50% chance of rain Christmas Day Christmas Day... A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 50%.

Sun Almanac for Althom, Pennsylvania
Sunrise: 07:40 AM
Sunset: 4:48 PM
Civil Sunrise:07:08 AM
Civil Sunset: 5:20 PM
Nautical Sunrise: 06:33 AM
Nautical Sunset: 5:55 PM
Astro Sunrise: 05:59 AM
Astro Sunset: 6:29 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.