Canandaigua Weather Forecast

    • 51
    • 71

    Rain Showers

    • 53
    • 74

    Partly Sunny

    • 63
    • 78

    Mostly Cloudy

    • 67
    • 83

    Chance Rain Showers

    • 54
    • 75

    Slight Chance Rain Showers

    • 54
    • 70

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

Today 6 Sep Ontario

Partly to mostly sunny. Highs Ranging from the mid 60s on the Hilltops to the lower 70s across the lower Elevations. North Winds 5 to 10 Mph.

Tonight 6 Sep Ontario

Mainly clear late this Evening, then becoming partly cloudy with some patchy fog developing late. Lows in the lower 50s. Light west Winds.

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  • Temperature Real-Time

Canandaigua Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 4 September, 2026

    64.9 °F

  • Average September

    72.7 °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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