South Bristol Weather Forecast

    • 43
    • 54

    Chance Rain Showers

    • 44
    • 57

    Chance Rain Showers

    • 53
    • 69

    Mostly Sunny

    • 63
    • 81

    Mostly Sunny

    • 67
    • 85

    Chance Rain Showers

    • 65
    • 80

    Rain Showers Likely

Today 31 May Ontario

Cloudy. Showers likely this Morning, then a chance of Showers early this afternoon. Cool with Highs Ranging from around 50 on the Hilltops to the mid 50s across the lower Elevations. Northwest Winds 10 to 15 Mph. Chance of rain 60 percent.

Tonight 31 May Ontario

Mostly cloudy. Lows Ranging from the lower 40s on the Hilltops to the mid 40s across the lower Elevations. Northwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph.

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South Bristol Temperature Statistics

May Temperature

Penn Yan, Penn Yan Airport (18.6 miles)

  • Lowest 20 May, 2025

    37.7 °F

  • Average May

    56.6 °F

  • Highest 16 May, 2025

    83.6 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (18.6 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.4 °F
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