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De Kalb, New York Weather Forecast
De Kalb, New York Weather
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Weather Forecast for De Kalb, New York : St. Lawrence County
Issued: 1:00 pm EST Dec 21, 2025 Latitude: 44.4989499 Longitude: -75.3427152 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
20% 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 rain & snow on Friday 40% chance of snow on Saturday 70% chance of snow on Sunday
High: 29°F Low: 12°F High: 27°F High: 34°F High: 28°F High: 34°F High: 33°F High: 28°F High: 30°F
Low: 22°F Low: 24°F Low: 17°F Low: 25°F Low: 14°F Low: 16°F  
Snow Mostly Cloudy Snow Snow Mostly Cloudy Mostly Cloudy Rain & Snow Snow Snow
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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
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
WATERTOWN - (KART)
30°
Feels like 16°F
Cloudy
as of 2:56 PM EST
Rel. Humidity: 54%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 30.15 in.
Flight Rule: VFR
Wind Data
25 MPH
Gust: 36 MPH
270° West
Cloud Level(s): Broken at 3700ft, Solid Overcast at 4400ft
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
20% chance of snow This Afternoon This Afternoon... A 20 percent chance of snow showers. Mostly cloudy, with a high near 29. West wind 13 to 15 mph.
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 12. Northwest wind 5 to 8 mph becoming calm after midnight.
40% chance of snow Monday Monday... A 40 percent chance of snow showers, mainly before 3pm. Mostly cloudy, with a high near 27. Calm wind becoming south around 6 mph. New snow accumulation of less than a half inch possible.
40% chance of snow Monday Night Monday Night... A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 22. Calm wind. New snow accumulation of less than a half inch possible.
80% chance of snow Tuesday Tuesday... Snow. High near 34. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
60% chance of snow Tuesday Night Tuesday Night... Snow likely, mainly before 1am. Cloudy, with a low around 24. Southwest wind around 7 mph. Chance of precipitation is 60%.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 28. West wind 5 to 7 mph becoming calm in the afternoon.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 17. Light south wind.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 34. Light and variable wind becoming north around 6 mph in the morning.
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 7 mph.
60% chance of rain & snow Friday Friday... Rain and snow likely. Cloudy, with a high near 33. North wind 7 to 9 mph. 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 5 to 7 mph.
40% chance of snow Saturday Saturday... A 40 percent chance of snow showers. Mostly cloudy, with a high near 28. North wind 5 to 7 mph.
50% chance of snow Saturday Night Saturday Night... A 50 percent chance of snow. Mostly cloudy, with a low around 16. East wind 5 to 7 mph becoming south after midnight.
70% chance of snow Sunday Sunday... Snow likely. Mostly cloudy, with a high near 30. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%.
Current Radar Image


Sun Almanac for De Kalb, New York
Sunrise: 07:35 AM
Sunset: 4:24 PM
Civil Sunrise:07:01 AM
Civil Sunset: 4:58 PM
Nautical Sunrise: 06:25 AM
Nautical Sunset: 5:35 PM
Astro Sunrise: 05:49 AM
Astro Sunset: 6:10 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.