Weather WorldLake Jefferson, NY 7-Day Night Weather Forecast
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Lake Jefferson, NY Weather Forecast
Lake Jefferson, NY Weather Forecast Date: 635 AM EDT Tue Aug 25 2026
The area/counties/county of: Sullivan, including the city of Monticello.or toggle through each period.
Today... Partly sunny. Isolated showers and thunderstorms this afternoon. Highs in the mid 70s. Northwest winds 5 to 10 mph. Chance of rain 20%.
Tonight... Mostly clear. Lows in the lower 50s. Northwest winds 5 to 10 mph.
Wednesday... Patchy fog in the morning. Partly sunny. Highs in the upper 70s. Northwest winds around 5 mph, becoming southwest around 5 mph in the afternoon.
Wednesday Night... Partly cloudy with a 40% chance of showers. Lows in the upper 50s. South winds around 5 mph.
Thursday... Showers with a chance of thunderstorms. Highs in the upper 70s. South winds 5 to 10 mph. Chance of rain near 100%.
Thursday Night... Showers likely with a chance of thunderstorms. Lows in the upper 50s. Chance of rain 70%.
Friday... Partly sunny with a chance of showers and thunderstorms. Highs around 80. Chance of rain 40%.
Friday Night... Partly cloudy. Lows in the lower 50s.
Saturday... Mostly sunny. Highs in the upper 70s.
Saturday Night... Mostly clear. Lows in the lower 50s.
Sunday... Mostly sunny. Highs around 80.
Sunday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
Lake Jefferson Radar Loop
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