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Upper Lake, NY Weather Forecast
Upper Lake, NY Weather Forecast Date: 400 AM EDT Wed Sep 09 2026
The area/counties/county of: Southwestern St. Lawrence, including the cities of: Ogdensburg, Potsdam, and Gouverneur.or toggle through each period.
Today... Scattered showers this morning, then showers this afternoon. Highs in the lower 70s. South winds 10 to 15 mph. Gusts up to 30 mph this afternoon. Chance of rain near 100%.
Tonight... Cloudy with showers with isolated thunderstorms until midnight, then partly cloudy with scattered showers and thunderstorms after midnight. Humid with lows in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90%.
Thursday... Partly sunny. Highs in the mid 70s. West winds 10 to 15 mph with gusts up to 30 mph.
Thursday Night... Partly cloudy. Lows around 50. Northwest winds around 10 mph.
Friday... Sunny. Highs around 70. West winds around 10 mph.
Friday Night... Clear. Lows in the lower 50s. Highs in the upper 70s.
Saturday... Clear. Lows in the lower 50s. Highs in the upper 70s.
Saturday Night... Partly cloudy. Lows in the lower 60s.
Sunday... Partly sunny with a 50% chance of showers. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.
Monday... Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.
Monday Night... Partly cloudy with a 30% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
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