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Black River, NY Weather Forecast
Black River, NY Weather Forecast Date: 1000 AM EDT Tue Sep 29 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
Rest of Today... Mostly cloudy late this morning, then becoming mostly sunny. Highs ranging from the lower 60s on the tug hill to the mid 60s across the lower elevations. Light north winds.
Tonight... Mainly clear in the evening, then becoming partly cloudy with areas of fog developing overnight. Lows ranging from the mid 40s across the tug hill to around 50 along the lake Ontario shore. Light south winds.
Wednesday... Areas of fog in the morning, otherwise partly sunny in the morning, then becoming mostly cloudy. Highs ranging from the upper 60s on the tug hill to the lower 70s across the lower elevations. Light winds.
Wednesday Night... Mostly cloudy and milder with lows in the upper 50s. Light winds.
Thursday... Partly sunny and warm with highs ranging from around 70 on the tug hill to the mid 70s across the lower elevations. South winds 5 to 10 mph, becoming southwest 10 to 15 mph.
Thursday Night... Showers likely. Lows in the upper 50s. Chance of rain 60%.
Friday... Showers likely. Highs in the upper 60s. Chance of rain 70%.
Friday Night... Showers likely. Lows in the mid 40s. Chance of rain 60%.
Saturday... Sunny. Highs in the mid 60s.
Saturday Night... Partly cloudy with a 30% chance of showers. Lows in the lower 40s.
Sunday... Partly sunny with a 40% chance of showers. Highs in the mid 60s.
Sunday Night... Mostly cloudy with a 40% chance of showers. Lows in the lower 40s.
POP = Probability of Precipitation
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