Canandaigua Weather Forecast

    • 57
    • 77

    Rain Showers

    • 55
    • 76

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 60
    • 82

    Chance Rain Showers

    • 56
    • 76

    Rain Showers Likely

    • 56
    • 74

    Chance Rain Showers

Today 19 Aug Ontario

Partly sunny with a 50 percent chance of Showers and Thunderstorms. Highs Ranging from the lower 70s on the Hilltops to the upper 70s across the lower Elevations. West Winds 10 Mph or less.

Tonight 19 Aug Ontario

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy overnight. Some patchy fog developing. Lows in the upper 50s. Light Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canandaigua Temperature Statistics

August Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 15 August, 2026

    57 °F

  • Average August

    71.5 °F

  • Highest 5 August, 2026

    88 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (20.5 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.1 °F
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