Weather WorldPetrillo Lake, NY 7-Day Night Weather Forecast
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Petrillo Lake, NY Weather Forecast
Petrillo Lake, NY Weather Forecast Date: 335 PM EDT Wed Sep 23 2026
The area/counties/county of: Sullivan, including the city of Monticello.or toggle through each period.
Tonight... Clear. Lows in the lower 40s. Northeast winds 5 to 10 mph.
Thursday... Mostly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night... Partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph.
Friday... Partly sunny. Highs in the upper 60s. North winds 5 to 10 mph with gusts up to 20 mph.
Friday Night... Partly cloudy with a 40% chance of showers. Lows in the upper 40s. North winds 10 to 15 mph with gusts up to 25 mph.
Saturday... Partly sunny with a 50% chance of showers. Highs in the mid 60s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 40s.
Sunday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Sunday Night... Mostly cloudy. Lows in the upper 40s.
Monday... Partly sunny. Highs in the upper 60s.
Monday Night... Partly cloudy. Lows in the upper 40s.
Tuesday... Partly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows around 50.
POP = Probability of Precipitation
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