Ontario, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ontario, a community in Wayne County, New York.
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. East wind around 5 mph.
7-day forecast for Ontario
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 5 mph E | 0% |
| Saturday | 66°F | Partly Sunny | 5 to 8 mph E | 0% |
| Saturday Night | 52°F | Mostly Cloudy then Rain Showers Likely | 6 mph E | 57% |
| Sunday | 66°F | Rain Showers | 5 to 13 mph E | 75% |
| Sunday Night | 49°F | Mostly Cloudy | 7 to 12 mph NE | 2% |
| Monday | 61°F | Partly Sunny | 13 mph NE | 0% |
| Monday Night | 47°F | Mostly Cloudy | 7 to 10 mph NE | 2% |
| Tuesday | 62°F | Partly Sunny | 7 to 12 mph E | 3% |
| Tuesday Night | 46°F | Mostly Cloudy | 6 to 10 mph E | 4% |
| Wednesday | 64°F | Partly Sunny | 7 to 12 mph E | 9% |
| Wednesday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 6 to 10 mph E | 25% |
| Thursday | 64°F | Chance Rain Showers | 9 mph E | 26% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 3 to 8 mph NE | 17% |
| Friday | 65°F | Slight Chance Rain Showers | 6 to 9 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Ontario (43.218, -77.281). Updated through the day.
Growing snapshot for Ontario
Last spring frost
May 1
First fall frost
Oct 20
Growing season
171 days
Hardiness zone
6b
More local growing data for Ontario: nearby ZIP 14519 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Clyde
Gananda
Lyons
Macedon
Marion
Newark
North Rose
Palmyra
Pultneyville
Red Creek
Savannah
Sodus
Sodus Point
Walworth
Williamson
Wolcott
Climate data from the nearest NOAA station, Webster 2 Ne, Ny (3.7 mi from Ontario). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.