7-Day Zone Forecast for Ontario County (Text-Only)
NWS Forecast for: Ontario County
Issued by: National Weather Service Buffalo, NY
Last Update: 400 PM EDT Mon Jul 20 2026




Tonight: Partly cloudy early, then becoming mostly cloudy. Lows in the mid 60s. Light winds, becoming south 5 to 10 mph.

Tuesday: Partly sunny with a chance of showers in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Some thunderstorms may produce gusty winds and heavy rainfall in the afternoon. Humid with highs ranging from the mid 70s on the hilltops to the lower 80s across the lower elevations. South winds 5 to 10 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Tuesday Night: Showers with thunderstorms likely in the evening, then a chance of showers overnight. Some thunderstorms may produce gusty winds and heavy rainfall in the evening. Muggy with lows in the lower 60s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph. Chance of rain 80 percent.

Wednesday: Partly sunny with a chance of showers. Cooler with highs ranging from the mid 60s on the hilltops to the lower 70s across the lower elevations. West winds 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 30 percent.

Wednesday Night: Mostly cloudy with a chance of showers in the evening, then mainly clear overnight. Lows in the mid 50s. West winds 10 to 15 mph, becoming light. Chance of rain 30 percent.

Thursday: Sunny. Highs in the mid 70s.

Thursday Night: Mainly clear. Lows in the mid 50s.

Friday: Sunny. Highs around 80.

Friday Night: Mainly clear. Lows around 60.

Saturday: Sunny. Highs in the mid 80s.

Saturday Night: Partly cloudy. Lows in the mid 60s.

Sunday: Partly sunny. Highs in the mid 80s.

Sunday Night: Showers likely. Lows in the mid 60s. Chance of rain 60 percent.

Monday: Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 60 percent.







Zone Forecast: Ontario County

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