Canandaigua Weather Forecast

    • 66
    • 80

    Chance Rain Showers

    • 53
    • 79

    Rain Showers Likely

    • 46
    • 65

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

    • 63
    • 78

    Chance Rain Showers

    • 59
    • 79

    Rain Showers Likely

    • 52
    • 71

    Slight Chance Rain Showers

Today 12 Sep Ontario

Mostly cloudy. A chance of Showers late. Highs Ranging from the mid 70s on the Hilltops to around 80 across the lower Elevations. South Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 12 Sep Ontario

Showers with a chance of Thunderstorms late this Evening, then a chance of Showers and Thunderstorms. A chance of Showers late. Warm with Lows in the mid 60s. South Winds 5 to 10 Mph, becoming southwest. Chance of rain 80 percent.

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Canandaigua Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    68.8 °F

  • Highest 1 September, 2026

    82.9 °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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