Canandaigua Weather Forecast

    • 50
    • 65

    Chance Rain Showers

    • 48
    • 73

    Chance Rain Showers

    • 46
    • 62

    Partly Sunny

    • 50
    • 70

    Partly Sunny

    • 49
    • 68

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

Today 28 May Ontario

Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Cooler with Highs Ranging from the upper 50s on the Hilltops to the mid 60s across the lower Elevations. Northwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph. Chance of rain 40 percent.

Tonight 28 May Ontario

Mainly clear. Lows around 50. Northwest Winds 5 to 10 Mph, becoming light.

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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

    54.3 °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

    50.3 °F

  • Average High 2021–2026

    59 °F
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