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Sullivan County, NY Weather Forecast
Sullivan County, NY Weather Forecast Date: 335 AM EDT Mon Sep 28 2026
The area/counties/county of: Sullivan, including the city of Monticello.or toggle through each period.
Today... Patchy fog this morning. Showers with a slight chance of thunderstorms this morning, then a chance of showers this afternoon. Highs in the lower 60s. North winds 5 to 10 mph. Gusts up to 25 mph this morning. Chance of rain near 100%.
Tonight... Partly cloudy. Patchy fog. Lows around 50. Northwest winds around 5 mph.
Tuesday... Patchy fog in the morning. Partly sunny. Highs in the upper 60s. Northwest winds around 5 mph.
Tuesday Night... Partly cloudy. Lows in the upper 40s. Northwest winds around 5 mph.
Wednesday... Partly sunny. Highs in the mid 70s. West winds around 5 mph.
Wednesday Night... Partly cloudy. Lows in the lower 50s.
Thursday... Partly sunny. Highs in the upper 70s.
Thursday Night... Partly cloudy. Lows in the mid 50s.
Friday... Partly sunny with a 30% chance of showers. Highs in the mid 70s.
Friday Night... Partly cloudy. Lows in the upper 40s.
Saturday... Partly sunny. Highs in the upper 60s.
Saturday Night... Partly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
Sullivan County Radar Loop
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