Canandaigua Weather Forecast

    • 44
    • 63

    Mostly Cloudy

    • 40
    • 57

    Partly Sunny

    • 47
    • 67

    Rain Showers

    • 48
    • 58

    Rain Showers

    • 55
    • 73

    Rain Showers Likely

    • 54
    • 75

    Chance Rain Showers

    • 56
    • 78

    Mostly Cloudy

Today 20 May Ontario

Mostly cloudy. Near steady Temperatures Ranging from the upper 50s on the Hilltops to the lower 60s across the lower Elevations. West Winds 10 to 15 Mph, becoming northwest.

Tonight 20 May Ontario

Mostly cloudy. Lows in the lower 40s. Northwest Winds 5 to 10 Mph, becoming northeast.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canandaigua Temperature Statistics

May Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 7 May, 2026

    32 °F

  • Average May

    52.7 °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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