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Mount Prosper, New York Weather Forecast
Mount Prosper, New York Weather
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Weather Forecast for Mount Prosper, New York : Sullivan County
Issued: 3:22 pm EST Dec 21, 2025 Latitude: 41.5909265 Longitude: -74.5354373 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Mostly Clear on Tonight Increasing Clouds on Monday 80% chance of snow on Tuesday Mostly Sunny on Wednesday Partly Sunny on Christmas Day 50% chance of rain on Friday Mostly Cloudy on Saturday 40% chance of rain & snow on Sunday
Low: 19°F High: 33°F High: 36°F High: 36°F High: 37°F High: 45°F High: 37°F High: 38°F
Low: 25°F Low: 30°F Low: 24°F Low: 31°F Low: 27°F Low: 26°F  
Mostly Clear Increasing Clouds Snow Mostly Sunny Partly Sunny Rain Mostly Cloudy Rain & Snow
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Mostly Clear on Tonight Tonight... Mostly clear, with a low around 19. Northwest wind 13 to 16 mph, with gusts as high as 29 mph.

Increasing Clouds on Monday Monday... Increasing clouds, with a high near 33. Northwest wind 7 to 10 mph.

60% chance of snow Monday Night Monday Night... Snow showers likely after 1am. Mostly cloudy, with a low around 25. West wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

80% chance of snow Tuesday Tuesday... Snow showers, mainly before 1pm. High near 36. South wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 30. West wind 9 to 17 mph, with gusts as high as 30 mph.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 36.

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

Partly Sunny on Christmas Day Christmas Day... Partly sunny, with a high near 37.

30% chance of rain Thursday Night Thursday Night... A chance of showers after 1am. Cloudy, with a low around 31. Chance of precipitation is 30%.

50% chance of rain Friday Friday... A chance of showers. Cloudy, with a high near 45. Chance of precipitation is 50%.

50% chance of rain & snow Friday Night Friday Night... A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 37.

40% chance of snow Saturday Night Saturday Night... A chance of snow showers. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

40% chance of rain & snow Sunday Sunday... A chance of rain and snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

Sun Almanac for Mount Prosper, New York
Sunrise: 07:22 AM
Sunset: 4:31 PM
Civil Sunrise:06:50 AM
Civil Sunset: 5:03 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:38 PM
Astro Sunrise: 05:41 AM
Astro Sunset: 6:11 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.