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Monticello, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Monticello, a village in Sullivan County, New York.

This Afternoon
66°F
Partly Sunny
Partly sunny, with a high near 66. South wind around 3 mph.

7-day forecast for Monticello

WhenTempForecastWindPrecip
This Afternoon 66°F Partly Sunny 3 mph S 1%
Tonight 46°F Partly Cloudy 3 mph SW 3%
Wednesday 69°F Sunny 2 to 8 mph SW 3%
Wednesday Night 53°F Mostly Cloudy then Slight Chance Rain Showers 7 mph S 16%
Thursday 65°F Rain Showers 8 mph S 92%
Thursday Night 56°F Rain Showers Likely 2 to 6 mph W 61%
Friday 65°F Rain Showers Likely 5 mph NW 61%
Friday Night 47°F Chance Light Rain 3 mph NW 57%
Saturday 60°F Chance Light Rain 3 to 8 mph NW 36%
Saturday Night 38°F Chance Light Rain 9 mph NW 25%
Sunday 55°F Slight Chance Light Rain then Mostly Sunny 6 to 9 mph W 22%
Sunday Night 34°F Slight Chance Light Rain 8 mph W 18%
Monday 54°F Chance Light Rain 9 to 13 mph NW 29%
Monday Night 33°F Chance Light Rain 9 mph W 29%

Forecast source: National Weather Service (api.weather.gov) for Monticello (41.653, -74.688). Updated through the day.

Growing snapshot for Monticello

Last spring frost
May 7
First fall frost
Oct 7
Growing season
152 days
Hardiness zone
6a

More local growing data for Monticello: nearby ZIP 12701 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Rock Hill 3 Sw, Ny (5.9 mi from Monticello). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.