Seneca Castle Weather Forecast

    • 40
    • 63

    Increasing Clouds

    • 40
    • 54

    Chance Rain Showers

    • 40
    • 50

    Rain Showers

    • 39
    • 58

    Partly Sunny

    • 45
    • 64

    Rain Showers Likely

    • 46
    • 61

    Rain Showers Likely

Today 23 Apr Ontario

Mostly sunny. Near steady Temperatures Ranging from around 60 on the Hilltops to the lower 60s across the lower Elevations. North Winds 5 to 10 Mph.

Tonight 23 Apr Ontario

Partly to mostly cloudy. Lows around 40. Light northeast Winds.

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  • Temperature Real-Time

Seneca Castle Temperature Statistics

April Temperature

Penn Yan, Penn Yan Airport (16.8 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 (16.8 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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