Seneca Castle Weather Forecast

    • 46
    • 65

    Rain Showers Likely

    • 38
    • 59

    Increasing Clouds

    • 36
    • 53

    Partly Sunny

    • 42
    • 55

    Rain Showers

    • 45
    • 61

    Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 48
    • 65

    Mostly Cloudy

Today 9 May Ontario

Partly sunny. Highs Ranging from around 60 on the Hilltops to the mid 60s across the lower Elevations. Southwest Winds 5 to 10 Mph.

Tonight 9 May Ontario

Mostly cloudy. Showers likely with a chance of Thunderstorms late this Evening, then a chance of Showers. Lows in the mid 40s. Southwest Winds 10 to 15 Mph, becoming light. Chance of rain 60 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Seneca Castle Temperature Statistics

May Temperature

Penn Yan, Penn Yan Airport (16.8 miles)

  • Lowest 7 May, 2026

    32 °F

  • Average May

    49.6 °F

  • Highest 4 May, 2026

    73 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (16.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    59.1 °F
Get WillyWeather+ to remove ads