Ontario, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ontario, a community in Wayne County, New York.
This Afternoon
71°F
Partly Sunny
Partly sunny, with a high near 71. South wind around 8 mph.
7-day forecast for Ontario
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 8 mph S | 5% |
| Tonight | 55°F | Partly Cloudy | 7 to 10 mph S | 4% |
| Wednesday | 77°F | Mostly Sunny | 9 mph S | 1% |
| Wednesday Night | 59°F | Rain Showers | 9 mph S | 86% |
| Thursday | 71°F | Rain Showers | 8 to 13 mph SW | 86% |
| Thursday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph SW | 18% |
| Friday | 63°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph NW | 24% |
| Friday Night | 44°F | Chance Rain Showers | 6 mph N | 36% |
| Saturday | 54°F | Chance Rain Showers | 6 to 9 mph NW | 39% |
| Saturday Night | 38°F | Chance Rain Showers | 7 mph W | 36% |
| Sunday | 54°F | Partly Sunny then Slight Chance Rain Showers | 7 to 10 mph W | 17% |
| Sunday Night | 36°F | Slight Chance Rain Showers | 8 mph W | 22% |
| Monday | 54°F | Chance Rain Showers | 9 to 14 mph NW | 32% |
| Monday Night | 37°F | Chance Rain Showers | 8 mph W | 32% |
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 Nov 3, 2026.