Canandaigua Weather Forecast

    • 62
    • 77

    Rain Showers Likely

    • 58
    • 76

    Chance Rain Showers

    • 49
    • 69

    Chance Rain Showers

    • 56
    • 65

    Chance Rain Showers

    • 55
    • 69

    Chance Rain Showers

Today 16 Sep Ontario

Partly sunny. A chance of Showers in the morning. More humid with Highs Ranging from the lower 70s on the Hilltops to the upper 70s across the lower Elevations. Light Winds. Chance of rain 40 percent.

Tonight 16 Sep Ontario

Mostly cloudy. A chance of Showers overnight. Warm with Lows in the lower 60s. Light Winds. Chance of rain 40 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

    68.2 °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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