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Sinclair Corner, New York Weather Forecast
Sinclair Corner, New York Weather
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Weather Forecast for Sinclair Corner, New York : St. Lawrence County
Issued: 1:00 pm EST Dec 21, 2025 Latitude: 44.64367 Longitude: -74.8910284 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
30% chance of snow on This Afternoon Mostly Cloudy on Tonight 40% chance of snow on Monday 80% chance of snow on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Christmas Day 60% chance of snow on Friday 40% chance of snow on Saturday 60% chance of snow on Sunday
High: 29°F Low: 10°F High: 26°F High: 33°F High: 28°F High: 33°F High: 33°F High: 28°F High: 29°F
Low: 22°F Low: 23°F Low: 17°F Low: 25°F Low: 14°F Low: 16°F  
Snow Mostly Cloudy Snow Snow Mostly Cloudy Mostly Cloudy Snow Snow Snow
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Current Conditions at
MASSENA - (KMSS)
37°
Feels like 28°F
Cloudy
as of 2:53 PM EST
Rel. Humidity: 47%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
14 MPH
Gust: 25 MPH
240° Southwest
Cloud Level(s): Broken at 4100ft, Solid Overcast at 4900ft
Current Conditions at
SARANAC LAKE - (KSLK)
23°
Feels like 11°F
Cloudy
as of 2:51 PM EST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 29.96 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 29 MPH
260° West
Cloud Level(s): Few at 3600ft, Scattered at 4300ft, Solid Overcast at 5500ft
Current Conditions at
FORT DRUM - (KGTB)
28°
Feels like 14°F
Cloudy
Light Unknown Precip
as of 2:59 PM EST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: MVFR
Wind Data
22 MPH
Gust: 30 MPH
280° West
Cloud Level(s): Broken at 2800ft, Solid Overcast at 3600ft
Current Conditions at
PLATTSBURGH AFB - (KPBG)
30°
Feels like 20°F
Cloudy
as of 2:53 PM EST
Rel. Humidity: 46%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
12 MPH
Gust: 22 MPH
290° West
Cloud Level(s): Solid Overcast at 5500ft
30% chance of snow This Afternoon This Afternoon... A 30 percent chance of snow showers. Mostly cloudy, with a high near 29. West wind 16 to 18 mph. Total daytime snow accumulation of less than a half inch possible.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 10. West wind 5 to 13 mph.
40% chance of snow Monday Monday... A 40 percent chance of snow showers, mainly between 2pm and 5pm. Mostly cloudy, with a high near 26. Southwest wind 5 to 7 mph. New snow accumulation of less than a half inch possible.
30% chance of snow Monday Night Monday Night... A 30 percent chance of snow after 2am. Mostly cloudy, with a low around 22. Southwest wind 3 to 5 mph. New snow accumulation of less than a half inch possible.
80% chance of snow Tuesday Tuesday... Snow, mainly after 8am. High near 33. Southeast wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
70% chance of snow Tuesday Night Tuesday Night... Snow likely, mainly before 1am. Cloudy, with a low around 23. West wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 28. West wind 6 to 11 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17. Calm wind becoming south around 6 mph after midnight.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 33. South wind around 7 mph becoming north in the afternoon.
50% chance of rain & snow Thursday Night Thursday Night... A chance of snow showers before 4am, then a chance of rain showers. Cloudy, with a low around 25. East wind 6 to 9 mph. Chance of precipitation is 50%.
60% chance of snow Friday Friday... Snow likely. Cloudy, with a high near 33. East wind 9 to 11 mph becoming northwest in the morning. Chance of precipitation is 60%.
40% chance of snow Friday Night Friday Night... A 40 percent chance of snow showers. Mostly cloudy, with a low around 14. North wind around 8 mph.
40% chance of snow Saturday Saturday... A 40 percent chance of snow showers. Mostly cloudy, with a high near 28. North wind 6 to 8 mph.
50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 16. East wind 7 to 10 mph becoming south after midnight.
60% chance of snow Sunday Sunday... Snow likely. Mostly cloudy, with a high near 29. South wind 10 to 13 mph becoming west in the afternoon. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Sinclair Corner, New York
Sunrise: 07:34 AM
Sunset: 4:22 PM
Civil Sunrise:07:00 AM
Civil Sunset: 4:56 PM
Nautical Sunrise: 06:23 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:08 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.