South Bristol Weather Forecast

    • 34
    • 50

    Decreasing Clouds

    • 34
    • 51

    Partly Sunny

    • 32
    • 50

    Partly Sunny

    • 39
    • 52

    Chance Rain Showers

    • 47
    • 59

    Chance Rain Showers

    • 45
    • 61

    Chance Rain Showers

Today 30 Apr Ontario

Mostly cloudy through early Afternoon, then becoming partly sunny. Highs Ranging from the upper 40s on the Hilltops to the lower 50s across the lower Elevations. Northwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph.

Tonight 30 Apr Ontario

Becoming mainly clear with Areas of frost developing overnight. Lows in the mid 30s. Northwest Winds 5 to 10 Mph, becoming light.

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  • Temperature Real-Time

South Bristol Temperature Statistics

April Temperature

Penn Yan, Penn Yan Airport (18.6 miles)

  • Lowest 8 April, 2026

    18 °F

  • Average April

    49.3 °F

  • Highest 16 April, 2026

    80.1 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (18.6 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.2 °F
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