Seneca Castle Weather Forecast

    • 37
    • 53

    Chance Rain Showers

    • 41
    • 55

    Slight Chance Rain Showers

    • 45
    • 63

    Chance Rain Showers

    • 38
    • 58

    Partly Sunny

    • 37
    • 55

    Partly Sunny

    • 40
    • 55

    Chance Rain Showers

    • 42
    • 59

    Chance Rain Showers

Today 7 May Ontario

Partly sunny. A chance of Showers late. Cool with Highs Ranging from the upper 40s on the Hilltops to the mid 50s across the lower Elevations. Northwest Winds around 10 Mph. Chance of rain 30 percent.

Tonight 7 May Ontario

Mostly cloudy. A chance of rain Showers through the early overnight. Areas of frost developing late. Lows in the upper 30s. Light west Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seneca Castle Temperature Statistics

May Temperature

Penn Yan, Penn Yan Airport (16.8 miles)

  • Lowest 1 May, 2026

    35.1 °F

  • Average May

    51.5 °F

  • Highest 4 May, 2026

    73 °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

    59.1 °F
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