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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: 11:54 am EST Nov 4, 2025 Latitude: 41.5909265 Longitude: -74.5354373 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on This Afternoon Increasing Clouds on Tonight Mostly Cloudy on Wednesday Mostly Sunny on Thursday Mostly Cloudy on Friday Partly Sunny on Saturday 50% chance of rain on Sunday Partly Sunny on Monday
High: 52°F Low: 35°F High: 56°F High: 46°F High: 50°F High: 55°F High: 49°F High: 40°F
Low: 37°F Low: 28°F Low: 44°F Low: 37°F Low: 31°F  
Sunny Increasing Clouds Mostly Cloudy Mostly Sunny Mostly Cloudy Partly Sunny Rain Partly Sunny
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Current Conditions at
MONTGOMERY - (KMGJ)
57°
Mostly Clear
as of 12:54 PM EST
Rel. Humidity: 30%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
310° Northwest
Cloud Level(s): Few at 7000ft
Current Conditions at
MONTICELLO - (KMSV)
54°
Mostly Clear
as of 12:56 PM EST
Rel. Humidity: 32%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
24 MPH
Gust: 32 MPH
310° Northwest
Cloud Level(s): Few at 6500ft
Current Conditions at
SUSSEX - (KFWN)
57°
Clear
as of 12:53 PM EST
Rel. Humidity: 26%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 21 MPH
280° West
Cloud Level(s): Clear
Sunny on This Afternoon This Afternoon... Sunny, with a high near 52. Northwest wind 10 to 14 mph, with gusts as high as 26 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 35. West wind around 7 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 56. South wind 5 to 13 mph, with gusts as high as 29 mph.
50% chance of rain Wednesday Night Wednesday Night... A chance of showers before 1am. Mostly cloudy, with a low around 37. Breezy, with a northwest wind 15 to 24 mph, with gusts as high as 43 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 46. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 28.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 50.
80% chance of rain Friday Night Friday Night... Showers. Low around 44. Chance of precipitation is 80%.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 55.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 37.
50% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
40% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Partly Sunny on Monday Monday... Partly sunny, with a high near 40.
Current Radar Image


Sun Almanac for Mount Prosper, New York
Sunrise: 06:34 AM
Sunset: 4:49 PM
Civil Sunrise:06:05 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 05:32 AM
Nautical Sunset: 5:51 PM
Astro Sunrise: 05:00 AM
Astro Sunset: 6:23 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.