Delevan, NY Weather & Growing Conditions
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 3 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% |
| Friday | 64°F | Partly Sunny | 5 mph NE | 13% |
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 Sep 19, 2026.