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Louisville, New York Weather Forecast
Louisville, New York Weather
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Weather Forecast for Louisville, New York : St. Lawrence County
Issued: 6:05 pm EST Nov 4, 2025 Latitude: 44.8975496 Longitude: -75.0157628 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Cloudy on Overnight 100% chance of rain & snow on Wednesday 30% chance of snow on Thursday 70% chance of rain on Friday 50% chance of rain on Saturday 60% chance of rain & snow on Sunday 40% chance of snow on Monday 30% chance of snow on Veterans Day
Low: 35°F High: 46°F High: 40°F High: 48°F High: 44°F High: 41°F High: 35°F High: 35°F
Low: 30°F Low: 25°F Low: 35°F Low: 27°F Low: 25°F Low: 21°F  
Cloudy Rain & Snow Snow Rain Rain Rain & Snow Snow Snow
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Current Conditions at
MASSENA - (KMSS)
34°
Clear
as of 11:53 PM EST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
SARANAC LAKE - (KSLK)
34°
Mostly Clear
as of 11:51 PM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
3 MPH
Cloud Level(s): Few at 5500ft
Current Conditions at
FORT DRUM - (KGTB)
39°
Clear
as of 11:55 PM EST
Rel. Humidity: 75%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
6 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
PLATTSBURGH AFB - (KPBG)
36°
Partly Cloudy
as of 11:53 PM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Scattered at 7500ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 35. Southwest wind around 6 mph.
100% chance of rain & snow Wednesday Wednesday... A chance of rain and snow before 9am, then rain. High near 46. Southwest wind 6 to 10 mph becoming east in the afternoon. Chance of precipitation is 100%. Little or no snow accumulation expected.
100% chance of rain & snow Wednesday Night Wednesday Night... Rain and snow before 1am, then a chance of rain between 1am and 4am, then a chance of rain and snow after 4am. Low around 30. North wind 11 to 13 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
30% chance of snow Thursday Thursday... A 30 percent chance of snow before 7am. Mostly sunny, with a high near 40. West wind around 11 mph, with gusts as high as 26 mph. Little or no snow accumulation expected.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 25. Calm wind becoming south around 5 mph after midnight.
70% chance of rain Friday Friday... Rain likely, mainly after 1pm. Cloudy, with a high near 48. South wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
100% chance of rain Friday Night Friday Night... Rain. Low around 35. South wind 8 to 10 mph. Chance of precipitation is 100%.
50% chance of rain Saturday Saturday... A 50 percent chance of rain. Mostly cloudy, with a high near 44. Northwest wind 7 to 9 mph.
30% chance of snow Saturday Night Saturday Night... A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 27. Northwest wind around 5 mph becoming calm in the evening.
60% chance of rain & snow Sunday Sunday... A chance of rain before 1pm, then rain and snow likely. Mostly cloudy, with a high near 41. Northeast wind 6 to 8 mph. Chance of precipitation is 60%.
60% chance of rain & snow Sunday Night Sunday Night... Rain and snow likely. Mostly cloudy, with a low around 25. North wind around 6 mph becoming northwest after midnight. Chance of precipitation is 60%.
40% chance of snow Monday Monday... A 40 percent chance of snow. Partly sunny, with a high near 35. West wind 7 to 9 mph.
40% chance of snow Monday Night Monday Night... A 40 percent chance of snow. Mostly cloudy, with a low around 21. West wind around 7 mph.
30% chance of snow Veterans Day Veterans Day... A 30 percent chance of snow. Partly sunny, with a high near 35. West wind 8 to 11 mph.
Current Radar Image


Sun Almanac for Louisville, New York
Sunrise: 06:45 AM
Sunset: 4:43 PM
Civil Sunrise:06:14 AM
Civil Sunset: 5:14 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 5:49 PM
Astro Sunrise: 05:05 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.