Harman US

Delevan, NY Weather & Growing Conditions

Tonight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. South wind 7 to 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 53°F Partly Cloudy 7 to 10 mph S 0%
Wednesday 74°F Partly Sunny 7 to 10 mph S 1%
Wednesday Night 58°F Rain Showers 8 to 12 mph S 93%
Thursday 66°F Rain Showers 3 to 8 mph SW 88%
Thursday Night 47°F Partly Cloudy 2 mph SW 8%
Friday 61°F Chance Rain Showers 3 mph W 25%
Friday Night 43°F Chance Rain Showers 3 mph NW 48%
Saturday 50°F Chance Rain Showers 3 to 7 mph W 52%
Saturday Night 36°F Chance Rain Showers 5 mph W 41%
Sunday 51°F Slight Chance Rain Showers then Slight Chance Light Rain 7 mph W 27%
Sunday Night 36°F Slight Chance Light Rain then Chance Rain Showers 5 mph W 35%
Monday 51°F Chance Light Rain 8 mph W 35%
Monday Night 37°F Chance Light Rain then Chance Rain Showers 7 mph SW 29%
Tuesday 54°F Chance Light Rain 10 mph W 26%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Delevan, NY

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

Explore more for Delevan, NY: full frost dates · planting calendar · New York frost dates

Climate data from the nearest NOAA station, Franklinville, Ny (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.