Canandaigua Weather Forecast

    • 54
    • 63

    Cloudy

    • 52
    • 68

    Mostly Cloudy

    • 60
    • 74

    Mostly Cloudy

    • 58
    • 80

    Chance Rain Showers

    • 44
    • 67

    Chance Rain Showers

    • 45
    • 64

    Partly Sunny

Today 28 Sep Ontario

Cloudy. Areas of drizzle late this morning. Highs Ranging from the upper 50s on the Hilltops to the mid 60s across the lower Elevations. Light Winds, becoming north around 10 Mph.

Tonight 28 Sep Ontario

Mostly cloudy. Lows in the lower 50s. Light northwest Winds.

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Canandaigua Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 24 September, 2026

    37.9 °F

  • Average September

    63.6 °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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