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Williamstown, New York Weather Forecast
Williamstown, New York Weather
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Weather Forecast for Williamstown, New York : Oswego County
Issued: 12:36 pm EST Dec 7, 2025 Latitude: 43.4239588 Longitude: -75.8899148 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
90% chance of snow on This Afternoon 60% chance of snow on Tonight Sunny on Monday 60% chance of snow on Tuesday 100% chance of rain & snow on Wednesday 60% chance of snow on Thursday 60% chance of snow on Friday 70% chance of snow on Saturday
High: 31°F Low: 3 °F High: 19°F High: 30°F High: 38°F High: 29°F High: 27°F High: 24°F
Low: 3 °F Low: 21°F Low: 22°F Low: 17°F Low: 12°F  
Snow Snow Sunny Snow Rain & Snow Snow Snow Snow
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Current Conditions at
SYRACUSE - (KSYR)
34°
Cloudy
Light Snow Mist
as of 2:33 PM EST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 1 1/2 Miles
Pressure: 29.95 in.
Flight Rule: IFR
Wind Data
8 MPH
220° Southwest
Cloud Level(s): Broken at 2100ft, Solid Overcast at 3200ft
Current Conditions at
FULTON - (KFZY)
30°
Cloudy
Light Snow Mist
as of 2:32 PM EST
Rel. Humidity: 100%
Dew Point: 30°F
Visibility: 1 1/4 Miles
Pressure: 29.94 in.
Flight Rule: IFR
Wind Data
6 MPH
210° Southwest
Cloud Level(s): Scattered at 600ft, Broken at 900ft, Solid Overcast at 1700ft
Current Conditions at
GRIFFISS AFB - (KRME)
32°
Cloudy
Light Snow Mist
as of 1:34 PM CST
Rel. Humidity: 92%
Dew Point: 30°F
Visibility: 1 Miles
Pressure: 29.97 in.
Flight Rule: IFR
Wind Data
3 MPH
280° West
Cloud Level(s): Scattered at 1000ft, Solid Overcast at 1400ft
90% chance of snow This Afternoon This Afternoon... Snow. High near 31. Southwest wind around 6 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
60% chance of snow Tonight Tonight... Snow likely before 8pm, then a chance of snow showers between 8pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 3. Northwest wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunny on Monday Monday... Sunny, with a high near 19. Light west wind.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 3. Calm wind.
60% chance of snow Tuesday Tuesday... Snow showers likely, mainly after 4pm. Mostly cloudy, with a high near 30. Southeast wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
80% chance of snow Tuesday Night Tuesday Night... Snow showers likely before 1am, then snow after 1am. Low around 21. South wind 6 to 9 mph. Chance of precipitation is 80%.
100% chance of rain & snow Wednesday Wednesday... Rain and snow, becoming all rain after 1pm. High near 38. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
90% chance of rain & snow Wednesday Night Wednesday Night... Rain and snow, becoming all snow after 1am. Low around 22. Southwest wind around 9 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
60% chance of snow Thursday Thursday... Snow showers likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
60% chance of snow Thursday Night Thursday Night... Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%.
60% chance of snow Friday Friday... Snow showers likely. Mostly cloudy, with a high near 27. Chance of precipitation is 60%.
70% chance of snow Friday Night Friday Night... Snow showers likely. Mostly cloudy, with a low around 12. Chance of precipitation is 70%.
70% chance of snow Saturday Saturday... Snow showers likely. Mostly cloudy, with a high near 24. Chance of precipitation is 70%.
Sun Almanac for Williamstown, New York
Sunrise: 07:23 AM
Sunset: 4:27 PM
Civil Sunrise:06:51 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:36 PM
Astro Sunrise: 05:40 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.