South Bristol Weather Forecast

    • 30
    • 42

    Mostly Cloudy

    • 34
    • 49

    Rain Showers

    • 36
    • 47

    Mostly Cloudy

    • 27
    • 51

    Rain/Snow Likely

    • 19
    • 34

    Mostly Cloudy

    • 24
    • 38

    Mostly Cloudy

Today 19 Mar Ontario

Cloudy. A chance of Flurries this morning. A chance of Sprinkles through early afternoon. Highs Ranging from the upper 30s on the Hilltops to the lower 40s across the lower Elevations. South Winds 5 to 10 Mph, becoming west.

Tonight 19 Mar Ontario

Mostly cloudy. Lows around 30. Light west Winds.

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South Bristol Temperature Statistics

March Temperature

Penn Yan, Penn Yan Airport (18.6 miles)

  • Lowest 2 March, 2026

    10 °F

  • Average March

    40.2 °F

  • Highest 10 March, 2026

    72 °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

    50.4 °F

  • Average High 2021–2026

    59.2 °F
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