Canandaigua Weather Forecast

    • 54
    • 71

    Becoming Sunny

    • 60
    • 80

    Mostly Sunny

    • 64
    • 85

    Rain Showers Likely

    • 58
    • 79

    Rain Showers Likely

    • 54
    • 74

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

Today 21 Aug Ontario

Mostly cloudy through early Afternoon, then becoming partly sunny. Highs Ranging from the mid 60s on the Hilltops to the lower 70s across the lower Elevations. Light northeast Winds.

Tonight 21 Aug Ontario

Mainly clear. Lows in the mid 50s. Light Winds.

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Canandaigua Temperature Statistics

August Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 1 August, 2025

    49.6 °F

  • Average August

    72.2 °F

  • Highest 12 August, 2025

    94.6 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (20.5 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.3 °F
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