South Bristol Weather Forecast

    • 63
    • 80

    Rain Showers Likely

    • 59
    • 79

    Slight Chance Thunderstorms

    • 63
    • 81

    Mostly Sunny

    • 67
    • 85

    Partly Sunny

    • 73
    • 91

    Partly Sunny

    • 66
    • 84

    Partly Sunny

    • 64
    • 82

    Partly Sunny

Today 10 Jul Ontario

Mostly cloudy Early, then becoming partly sunny. A 50 percent chance of Showers and Thunderstorms. Highs Ranging from the mid 70s on the Hilltops to the lower 80s across the lower Elevations. Light north Winds.

Tonight 10 Jul Ontario

Mainly clear Early, then becoming mostly cloudy. Lows in the lower 60s. Light Winds.

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South Bristol Temperature Statistics

July Temperature

Penn Yan, Penn Yan Airport (18.6 miles)

  • Lowest 8 July, 2026

    63 °F

  • Average July

    76.8 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (18.6 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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