Sisson, New York Weather
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Weather Forecast for Sisson, New York : St. Lawrence County
Issued: 1:40 pm EDT Sep 16, 2025 Latitude: 44.705613 Longitude: -74.986864 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Cloudy on Tonight Partly Sunny on Wednesday Mostly Sunny on Thursday Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday 40% chance of on Tuesday
Low: 53°F High: 78°F High: 80°F High: 67°F High: 66°F High: 77°F High: 81°F High: 79°F
Low: 55°F Low: 47°F Low: 37°F Low: 40°F Low: 58°F Low: 60°F  
Cloudy Partly Sunny Mostly Sunny Sunny Sunny Mostly Sunny Mostly Sunny Partly Sunny
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Current Conditions at
MASSENA - (KMSS)
54°
Clear
as of 10:53 PM EDST
Rel. Humidity: 87%
Dew Point: 50°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
SARANAC LAKE - (KSLK)
46°
Clear
as of 10:51 PM EDST
Rel. Humidity: 93%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
FORT DRUM - (KGTB)
63°
Clear
as of 10:55 PM EDST
Rel. Humidity: 72%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WATERTOWN - (KART)
55°
Clear
as of 10:56 PM EDST
Rel. Humidity: 93%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.18 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 53. Calm wind.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 78. Light south wind.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 55. Light south wind.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 80. South wind 6 to 9 mph.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 47. Northwest wind around 6 mph.
Sunny on Friday Friday... Sunny, with a high near 67. North wind 6 to 9 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 37. North wind around 6 mph becoming calm in the evening.
Sunny on Saturday Saturday... Sunny, with a high near 66. Northeast wind 3 to 5 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 40. Light and variable wind.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 77. Southwest wind 6 to 9 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 58. South wind around 7 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 81. Southwest wind around 9 mph.
40% chance of rain Monday Night Monday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 60. South wind around 6 mph.
40% chance of Tuesday Tuesday... A 40 percent chance of showers. Partly sunny, with a high near 79. Southwest wind 7 to 10 mph.
Current Radar Image


Sun Almanac for Sisson, New York
Sunrise: 06:41 AM
Sunset: 7:09 PM
Civil Sunrise:06:11 AM
Civil Sunset: 7:38 PM
Nautical Sunrise: 05:37 AM
Nautical Sunset: 8:13 PM
Astro Sunrise: 05:01 AM
Astro Sunset: 8:48 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.