Seneca Castle Weather Forecast

    • 48
    • 67

    Slight Chance Rain Showers

    • 38
    • 58

    Partly Sunny

    • 41
    • 59

    Mostly Sunny

    • 47
    • 69

    Partly Sunny

    • 44
    • 66

    Partly Sunny

    • 43
    • 65

    Partly Sunny

Today 4 Oct Ontario

Partly sunny. Highs Ranging from the lower 60s on the Hilltops to the upper 60s across the lower Elevations. South Winds 10 to 15 Mph, becoming southwest.

Tonight 4 Oct Ontario

Partly cloudy. Lows in the upper 40s. Light Winds, becoming west 5 to 10 Mph.

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Seneca Castle Temperature Statistics

October Temperature

Penn Yan, Penn Yan Airport (16.8 miles)

  • Lowest 2 October, 2026

    53.1 °F

  • Average October

    64.7 °F

  • Highest 1 October, 2026

    71.1 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (16.8 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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