Westernville, NY Weather & Growing Conditions
This Afternoon
63°F
Mostly Cloudy
Mostly cloudy, with a high near 63. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Cloudy | 2 mph SE | 5% |
| Tonight | 48°F | Mostly Cloudy | 2 mph SE | 6% |
| Wednesday | 72°F | Mostly Sunny | 5 mph SE | 4% |
| Wednesday Night | 56°F | Mostly Cloudy then Rain Showers | 6 mph SE | 82% |
| Thursday | 68°F | Rain Showers | 3 to 7 mph SW | 98% |
| Thursday Night | 49°F | Chance Rain Showers | 0 to 3 mph W | 44% |
| Friday | 63°F | Slight Chance Rain Showers | 2 mph SW | 24% |
| Friday Night | 44°F | Chance Light Rain | 2 mph NW | 34% |
| Saturday | 56°F | Chance Light Rain | 2 to 6 mph NW | 46% |
| Saturday Night | 37°F | Chance Light Rain | 6 mph W | 46% |
| Sunday | 52°F | Chance Light Rain | 7 mph W | 35% |
| Sunday Night | 33°F | Chance Light Rain | 5 mph W | 32% |
| Monday | 51°F | Chance Light Rain | 6 to 9 mph W | 42% |
| Monday Night | 32°F | Chance Light Rain | 7 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westernville, NY
Last spring frost
May 10
First fall frost
Oct 4
Growing season
145 days
Hardiness zone
5a
Explore more for Westernville, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Boonville 4 Ssw, Ny (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.