Weather WorldSummitville, NY 7-Day Night Weather Forecast
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Summitville, NY Weather Forecast
Summitville, NY Weather Forecast Date: 635 PM EDT Sat Oct 03 2026
The area/counties/county of: Sullivan, including the city of Monticello.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 40s. East winds around 5 mph.
Sunday... Partly sunny in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 40%.
Sunday Night... Mostly cloudy. Patchy fog. Lows in the upper 40s. Southeast winds around 5 mph, becoming west after midnight.
Monday... Mostly sunny. Highs in the lower 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Monday Night... Mostly clear. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Tuesday... Mostly sunny. Areas of frost. Highs in the upper 50s.
Tuesday Night... Clear. Areas of frost. Lows in the upper 30s.
Wednesday... Sunny. Areas of frost. Highs in the mid 60s.
Wednesday Night... Mostly clear. Lows in the lower 40s.
Thursday... Mostly sunny. Highs in the upper 60s.
Thursday Night... Mostly clear. Lows in the lower 40s.
Friday... Mostly sunny. Highs in the upper 60s.
Friday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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