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Potsdam, New York Weather Forecast
Potsdam, New York Weather
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Weather Forecast for Potsdam, New York : St. Lawrence County
Issued: 7:07 pm EST Dec 21, 2025 Latitude: 44.6697805 Longitude: -74.9813084 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
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 rain & snow on Friday 40% chance of snow on Saturday 60% chance of snow on Sunday
Low: 11°F High: 27°F High: 33°F High: 29°F High: 33°F High: 33°F High: 28°F High: 30°F
Low: 22°F Low: 23°F Low: 17°F Low: 25°F Low: 14°F Low: 16°F  
Cloudy Snow Snow Mostly Cloudy Mostly Cloudy Rain & Snow Snow Snow
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Current Conditions at
MASSENA - (KMSS)
25°
Feels like 13°F
Clear
as of 7:53 PM EST
Rel. Humidity: 41%
Dew Point: 5°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 23 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
SARANAC LAKE - (KSLK)
16°
Cloudy
Light Snow
as of 8:08 PM EST
Rel. Humidity: 78%
Dew Point: 10°F
Visibility: 2 1/2 Miles
Pressure: 30.13 in.
Flight Rule: IFR
Wind Data
7 MPH
350° North
Cloud Level(s): Broken at 1600ft, Broken at 2300ft, Solid Overcast at 2900ft
Current Conditions at
FORT DRUM - (KGTB)
25°
Feels like 14°F
Cloudy
as of 7:55 PM EST
Rel. Humidity: 53%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
10 MPH
300° Northwest
Cloud Level(s): Broken at 3300ft, Solid Overcast at 4100ft
Current Conditions at
WATERTOWN - (KART)
27°
Feels like 15°F
Cloudy
as of 7:56 PM EST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
13 MPH
Gust: 26 MPH
270° West
Cloud Level(s): Broken at 3200ft, Solid Overcast at 4200ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 11. Northwest wind 5 to 10 mph becoming light west after midnight.
40% chance of snow Monday Monday... A 40 percent chance of snow showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 27. Southwest wind 3 to 8 mph. New snow accumulation of less than a half inch possible.
30% chance of snow Monday Night Monday Night... A slight chance of snow showers between 10pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 22. Light southwest wind. Chance of precipitation is 30%. 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 5 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
70% chance of snow Tuesday Night Tuesday Night... Snow likely, mainly before 1am. Cloudy, with a low around 23. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 29. West wind 5 to 9 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17. Calm wind becoming south around 5 mph after midnight.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 33. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
50% chance of snow Thursday Night Thursday Night... A 50 percent chance of snow showers after 7pm. Cloudy, with a low around 25. East wind 5 to 8 mph.
60% chance of rain & snow Friday Friday... Snow likely before noon, then rain likely between noon and 3pm, then snow likely after 3pm. Cloudy, with a high near 33. North wind 9 to 11 mph. Chance of precipitation is 60%.
60% chance of snow Friday Night Friday Night... Snow likely. Mostly cloudy, with a low around 14. North wind around 7 mph. Chance of precipitation is 60%.
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 9 mph becoming south after midnight.
60% chance of snow Sunday Sunday... Snow likely. Mostly cloudy, with a high near 30. South wind 9 to 11 mph becoming west in the afternoon. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Potsdam, 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: 05:48 AM
Astro Sunset: 6:09 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.