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Belleville, NY Weather Forecast
Belleville, NY Weather Forecast Date: 1000 AM EDT Wed Oct 14 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
Rest of Today... Cloudy with a 50% chance of showers. Highs ranging from the mid 50s on the tug hill to the upper 50s across the lower elevations. Light winds, becoming west 10 to 15 mph.
Tonight... Mostly cloudy and cooler with lows in the upper 30s. Northwest winds 5 to 10 mph, becoming north.
Thursday... Mostly sunny. Highs in the lower 50s. North winds 5 to 10 mph, becoming light.
Thursday Night... Showers overnight. Lows in the lower 40s. Light winds, becoming southeast 10 to 15 mph. Chance of rain near 100%.
Friday... Showers, breezy with highs in the mid 50s. South winds 10 to 15 mph, becoming west. Chance of rain near 100%.
Friday Night... Rain showers. Lows in the lower 30s. Chance of rain 90%.
Saturday... Partly sunny. Highs in the mid 40s.
Saturday Night... Partly cloudy. Lows in the lower 30s.
Sunday... Sunny. Highs in the mid 50s.
Sunday Night... Mainly clear. Lows in the upper 30s.
Monday... Mostly sunny. Highs in the upper 50s.
Monday Night... Mostly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
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