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Unionville, New York Weather Forecast
Unionville, New York Weather
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Weather Forecast for Unionville, New York : St. Lawrence County
Issued: 6:05 pm EST Nov 4, 2025 Latitude: 44.7128351 Longitude: -74.9968642 View on Google Maps

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Tonight Wednesday Thursday Friday Saturday Sunday Monday Veterans Day
Increasing Clouds on Tonight 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 on Sunday 40% chance of snow on Monday 30% chance of snow on Veterans Day
Low: 35°F High: 47°F High: 39°F High: 48°F High: 45°F High: 42°F High: 34°F High: 35°F
Low: 30°F Low: 24°F Low: 36°F Low: 28°F Low: 25°F Low: 21°F  
Increasing Clouds Rain & Snow Snow Rain Rain Rain Snow Snow
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Current Conditions at
MASSENA - (KMSS)
46°
Partly Cloudy
as of 5:53 PM EST
Rel. Humidity: 45%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
7 MPH
270° West
Cloud Level(s): Scattered at 7500ft
Current Conditions at
SARANAC LAKE - (KSLK)
43°
Mostly Cloudy
as of 5:51 PM EST
Rel. Humidity: 52%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
5 MPH
260° West
Cloud Level(s): Broken at 7000ft
Current Conditions at
FORT DRUM - (KGTB)
48°
Clear
as of 5:55 PM EST
Rel. Humidity: 70%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Clear
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 35. Southwest wind 5 to 8 mph.
100% chance of rain & snow Wednesday Wednesday... A slight chance of rain and snow before 7am, then rain. High near 47. South wind 5 to 8 mph becoming southeast 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. Partly sunny, with a high near 39. Northwest wind 10 to 13 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 24. Calm wind becoming south around 6 mph after midnight.
70% chance of rain Friday Friday... Rain likely, mainly after 1pm. Cloudy, with a high near 48. South wind 8 to 14 mph, with gusts as high as 24 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 36. South wind 9 to 13 mph. Chance of precipitation is 100%.
50% chance of rain Saturday Saturday... A 50 percent chance of rain. Mostly cloudy, with a high near 45. 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 28. Northwest wind around 5 mph becoming calm in the evening.
60% chance of rain Sunday Sunday... Rain likely, mainly after 1pm. Mostly cloudy, with a high near 42. East wind 6 to 9 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 5 to 7 mph becoming west 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 34. West wind 7 to 10 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.
Sun Almanac for Unionville, New York
Sunrise: 06:43 AM
Sunset: 4:44 PM
Civil Sunrise:06:12 AM
Civil Sunset: 5:15 PM
Nautical Sunrise: 05:37 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:03 AM
Astro Sunset: 6:24 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.