South Bristol Weather Forecast

    • 9
    • 29

    Chance Snow Showers

    • 0
    • 16

    Snow Showers Likely

    • 4
    • 6

    Snow Likely

    • 9
    • 12

    Snow

    • 3
    • 15

    Chance Snow Showers

    • 6
    • 15

    Mostly Cloudy

    • 4
    • 17

    Slight Chance Snow Showers

Today 22 Jan Ontario

Partly sunny with a 30 percent chance of snow Showers. Patchy blowing snow late. Near steady Temperatures Ranging from the lower 20s on the Hilltops to the mid 20s across the lower Elevations. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 22 Jan Ontario

A chance of snow Showers Early, then lake effect snow Showers likely from late evening on. Additional accumulation an inch or less. Lows Ranging from 5 to 10 above on the Hilltops to 10 to 15 across the lower Elevations. West Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.

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South Bristol Temperature Statistics

January Temperature

Penn Yan, Penn Yan Airport (18.6 miles)

  • Lowest 20 January, 2026

    7 °F

  • Average January

    28.4 °F

  • Highest 9 January, 2026

    50 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (18.6 miles)

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  • Average Low 2021–2026

    41.9 °F

  • Average 2021–2026

    50.5 °F

  • Average High 2021–2026

    59.2 °F
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