Jefferson Memorial Park Weather Forecast

    • 34
    • 51

    Cloudy

    • 29
    • 42

    Mostly Cloudy

    • 34
    • 47

    Mostly Cloudy

    • 37
    • 51

    Mostly Cloudy

    • 45
    • 52

    Rain Likely

    • 34
    • 56

    Chance Rain Showers

Today 21 Nov Ontario

Mostly cloudy. Highs Ranging from the mid 40s on the Hilltops to the lower 50s across the lower Elevations. Southwest Winds 10 to 15 Mph, becoming west.

Tonight 21 Nov Ontario

Mostly cloudy. Lows in the mid 30s. West Winds 5 to 10 Mph, becoming light.

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Jefferson Memorial Park Temperature Statistics

November Temperature

Penn Yan, Penn Yan Airport (19.9 miles)

  • Lowest 19 November, 2025

    21.9 °F

  • Average November

    40 °F

  • Highest 5 November, 2025

    60.1 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (19.9 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.3 °F
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