Canandaigua Weather Forecast

    • 62
    • 82

    Rain Showers

    • 55
    • 76

    Rain Showers Likely

    • 54
    • 70

    Chance Rain Showers

    • 54
    • 74

    Partly Sunny

    • 60
    • 80

    Mostly Cloudy

    • 61
    • 82

    Chance Rain Showers

Today 22 Aug Ontario

Sunny. Highs Ranging from the mid 70s on the Hilltops to the lower 80s across the lower Elevations. South Winds around 10 Mph.

Tonight 22 Aug Ontario

Showers likely with a chance of Thunderstorms this Evening, then Showers after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canandaigua Temperature Statistics

August Temperature

Penn Yan, Penn Yan Airport (20.5 miles)

  • Lowest 20 August, 2026

    55 °F

  • Average August

    70.9 °F

  • Highest 5 August, 2026

    88 °F

Climate (2021–2026)

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 °F
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