Ontario, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ontario, a community in Wayne County, New York.
Overnight
56°F
Clear
Clear, with a low around 56. Southwest wind around 6 mph.
7-day forecast for Ontario
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Clear | 6 mph SW | 0% |
| Tuesday | 81°F | Sunny | 2 to 6 mph NW | 0% |
| Tuesday Night | 62°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny | 5 mph S | 12% |
| Wednesday Night | 69°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 31% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 5 mph SW | 69% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph SW | 69% |
| Friday | 82°F | Showers And Thunderstorms Likely | 5 mph W | 57% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 3 mph SW | 57% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 5 mph W | 37% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 31% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 mph SW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 8 mph SW | 38% |
| Monday | 83°F | Chance Rain Showers | 8 to 12 mph W | 41% |
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 Aug 4, 2026.