Westernville, NY Weather & Growing Conditions
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy, with a high near 66. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 3 mph SE | 0% |
| Tonight | 47°F | Mostly Cloudy then Rain Showers Likely | 5 mph SE | 56% |
| Sunday | 62°F | Rain Showers | 3 to 7 mph E | 100% |
| Sunday Night | 42°F | Mostly Cloudy | 5 mph NE | 2% |
| Monday | 64°F | Partly Sunny | 6 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 2 to 6 mph NE | 1% |
| Tuesday | 65°F | Partly Sunny | 3 mph E | 2% |
| Tuesday Night | 41°F | Partly Cloudy | 3 mph E | 2% |
| Wednesday | 66°F | Mostly Sunny | 3 to 7 mph E | 1% |
| Wednesday Night | 41°F | Partly Cloudy | 5 mph E | 4% |
| Thursday | 66°F | Partly Sunny | 6 mph E | 6% |
| Thursday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph NE | 15% |
| Friday | 66°F | Chance Rain Showers | 5 mph N | 26% |
| Friday Night | 44°F | Chance Rain Showers | 5 mph N | 26% |
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 Sep 19, 2026.