Canandaigua Weather Forecast

    • 46
    • 73

    Chance Rain Showers

    • 46
    • 62

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

Today 29 May Ontario

Sunny through early Afternoon, then becoming partly sunny. Highs Ranging from the upper 60s on the Hilltops to the lower 70s across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 30 Mph this afternoon.

Tonight 29 May Ontario

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy overnight. Lows in the mid 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph in the Evening, Diminishing to 5 to 10 Mph. Chance of rain 40 percent.

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Canandaigua Temperature Statistics

May Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 7 May, 2026

    32 °F

  • Average May

    55.3 °F

  • Highest 18 May, 2026

    90 °F

Climate (2021–Present)

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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