Canandaigua Weather Forecast

    • 67
    • 76

    Rain Showers

    • 67
    • 83

    Rain Showers Likely

    • 69
    • 86

    Rain Showers

    • 63
    • 81

    Chance Rain Showers

    • 59
    • 76

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 31 Aug Ontario

Showers with a chance of Thunderstorms. Highs Ranging from the lower 70s on the Hilltops to the mid 70s across the lower Elevations. Light Winds. Chance of rain 90 percent.

Tonight 31 Aug Ontario

Showers likely with a chance of Thunderstorms Early, then a chance of Showers late this evening. Showers with a chance of Thunderstorms after midnight. Some patchy fog developing after midnight. Warm with Lows in the upper 60s. Light southwest Winds. Chance of rain 90 percent.

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Canandaigua Temperature Statistics

August Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 28 August, 2026

    52 °F

  • Average August

    69.3 °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

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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