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Town of Williamstown, NYWilliamstown, NY 7-Day Night Weather Forecast
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Williamstown, NY Weather Forecast
Williamstown, NY Weather Forecast Date: 1000 PM EST Tue Nov 03 2026
The area/counties/county of: Oswego, including the city of Oswego.or toggle through each period.
Overnight... Mostly cloudy and mild with lows in the lower 50s. Light southeast winds.
Wednesday... Mostly sunny and warm with highs ranging from around 70 on the tug hill to the mid 70s across the lower elevations. Light south winds.
Wednesday Night... A chance of showers in the evening, then showers overnight. Mild with lows ranging from the mid 50s on the tug hill to the upper 50s across the lower elevations. South winds 10 mph or less. Chance of rain near 100%.
Thursday... Showers, warm with highs ranging from the lower 60s on the tug hill to the upper 60s across the lower elevations. South winds 10 mph or less, becoming west. Chance of rain near 100%.
Thursday Night... Mostly cloudy. A chance of showers in the evening. Cooler with lows in the upper 40s. Light winds. Chance of rain 40%.
Friday... Mostly cloudy. Highs in the lower 60s.
Friday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 40s.
Saturday... Mostly cloudy with a 50% chance of showers. Highs in the mid 50s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 30s.
Sunday... Partly sunny with a 40% chance of rain. Highs in the lower 50s.
Sunday Night... Mostly cloudy with a 50% chance of rain showers. Lows in the mid 30s.
Monday... Mostly cloudy with a 50% chance of rain. Highs in the lower 50s.
Monday Night... Mostly cloudy with a 40% chance of rain showers. Lows in the mid 30s.
POP = Probability of Precipitation
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