Jefferson Memorial Park Weather Forecast

    • 39
    • 63

    Mostly Sunny

    • 47
    • 68

    Chance Rain Showers

    • 36
    • 59

    Mostly Sunny

    • 39
    • 58

    Mostly Sunny

    • 47
    • 70

    Partly Sunny

    • 44
    • 67

    Partly Sunny

    • 43
    • 66

    Partly Sunny

Today 3 Oct Ontario

Mostly sunny. Highs in the mid 60s.

Tonight 3 Oct Ontario

Mainly clear. Lows around 40. Light Winds.

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  • Temperature Real-Time

Jefferson Memorial Park Temperature Statistics

October Temperature

Penn Yan, Penn Yan Airport (19.9 miles)

  • Lowest 1 October, 2026

    62.1 °F

  • Average October

    66.1 °F

  • Highest 1 October, 2026

    71.1 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (19.9 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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