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Delevan, NY Weather & Growing Conditions

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

This Afternoon
69°F
Partly Sunny
Partly sunny, with a high near 69. North wind around 7 mph.

7-day forecast for Delevan

WhenTempForecastWindPrecip
This Afternoon 69°F Partly Sunny 7 mph N 1%
Tonight 47°F Mostly Cloudy 1 to 5 mph NE 1%
Saturday 68°F Mostly Cloudy 3 mph SE 3%
Saturday Night 55°F Mostly Cloudy then Rain Showers 5 mph SE 77%
Sunday 66°F Rain Showers 5 mph SW 76%
Sunday Night 47°F Chance Rain Showers then Mostly Cloudy 6 mph NE 45%
Monday 60°F Mostly Cloudy 8 mph NE 3%
Monday Night 45°F Mostly Cloudy then Chance Rain Showers 7 mph E 35%
Tuesday 59°F Chance Rain Showers 7 mph E 37%
Tuesday Night 44°F Chance Rain Showers 8 mph E 46%
Wednesday 58°F Chance Rain Showers 8 mph E 46%
Wednesday Night 46°F Chance Showers And Thunderstorms 8 mph SE 50%
Thursday 60°F Chance Showers And Thunderstorms 6 mph E 50%
Thursday Night 47°F Chance Showers And Thunderstorms 5 mph E 36%

Forecast source: National Weather Service (api.weather.gov) for Delevan (42.491, -78.480). Updated through the day.

Growing snapshot for Delevan

Last spring frost
May 14
First fall frost
Oct 6
Growing season
144 days
Hardiness zone
5b

More local growing data for Delevan: nearby ZIP 14042 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Franklinville, Ny (10.2 mi from Delevan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.