Seneca Castle Weather Forecast

    • 26
    • 33

    Mostly Cloudy

    • 29
    • 43

    Mostly Cloudy

    • 36
    • 47

    Chance Rain Showers

    • 36
    • 49

    Chance Rain Showers

    • 26
    • 49

    Chance Rain Showers

    • 21
    • 34

    Mostly Sunny

Today 18 Mar Ontario

Partly sunny. Highs Ranging from around 30 on the Hilltops to the mid 30s across the lower Elevations. Light south Winds.

Tonight 18 Mar Ontario

Mostly cloudy and not as cold with Lows in the upper 20s. Light Winds, becoming south 5 to 10 Mph.

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Seneca Castle Temperature Statistics

March Temperature

Penn Yan, Penn Yan Airport (16.8 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 (16.8 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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