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Ontario County, NY Weather Forecast
Ontario County, NY Weather Forecast Date: 230 AM EDT Sun Oct 11 2026
The area/counties/county of: Ontario, including the city of Canandaigua.or toggle through each period.
Overnight... Mostly cloudy. Near steady temperatures in the mid 50s. South winds 5 to 10 mph.
Sunday... Rain. Highs ranging from the mid 50s on the hilltops to the lower 60s across the lower elevations. South winds 10 to 15 mph, becoming southeast 5 to 10 mph. Chance of rain near 100%.
Sunday Night... Cloudy. Rain in the evening. Lows in the lower 50s. Light winds. Chance of rain 90%.
Columbus Day... Mostly cloudy. Highs ranging from the lower 60s on the hilltops to the upper 60s across the lower elevations. Light winds.
Monday Night... Mostly cloudy and mild with lows in the mid 50s. Light winds, becoming south 5 to 10 mph.
Tuesday... Showers. Highs in the mid 70s. Chance of rain 80%.
Tuesday Night... Showers. Lows in the lower 50s. Chance of rain 80%.
Wednesday... Mostly cloudy. Highs in the lower 60s.
Wednesday Night... Mostly cloudy. Lows in the mid 40s.
Thursday... Mostly sunny. Highs in the upper 50s.
Thursday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 40s.
Friday... Showers likely. Highs in the lower 60s. Chance of rain 70%.
Friday Night... Showers likely. Lows around 40. Chance of rain 70%.
POP = Probability of Precipitation
Ontario County Radar Loop
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