Lake of the Isles, NY 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Lake of the Isles, NY Weather Forecast


Lake of the Isles, NY Weather Forecast Date: 230 AM EDT Mon Aug 10 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
Overnight... Mostly cloudy. Lows ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light south winds.
Monday... Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs ranging from the mid 70s on the tug hill to the upper 70s across the lower elevations. South winds 5 to 10 mph, becoming southwest 10 to 15 mph. Chance of rain 50%.
Monday Night... Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy overnight. Muggy with lows ranging from the upper 50s on the tug hill to the lower 60s across the lower elevations. Southwest winds 5 to 10 mph, becoming light. Chance of rain 70%.
Tuesday... Mostly sunny. Highs ranging from the lower 70s on the tug hill to the upper 70s across the lower elevations. Light winds, becoming west 5 to 10 mph.
Tuesday Night... Partly cloudy. Lows ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light winds.
Wednesday... Mostly sunny. Highs in the upper 70s.
Wednesday Night... Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Thursday... Partly sunny with a 50% chance of showers and thunderstorms. Highs in the mid 70s.
Thursday Night... Partly cloudy with a 50% chance of showers and thunderstorms. Lows in the mid 50s.
Friday... Sunny. Highs in the lower 70s.
Friday Night... Mainly clear. Lows in the lower 50s.
Saturday... Mostly sunny. Highs in the mid 70s.
Saturday Night... Partly cloudy. Lows in the mid 50s.
Weather World