Jefferson Memorial Park Weather Forecast

    • 68
    • 87

    Rain Showers Likely

    • 60
    • 83

    Rain Showers Likely

    • 56
    • 77

    Partly Sunny

    • 60
    • 81

    Mostly Sunny

    • 65
    • 89

    Partly Sunny

    • 67
    • 89

    Chance Rain Showers

    • 68
    • 89

    Chance Thunderstorms

Today 5 Jun Ontario

Mostly sunny. Very warm with Highs Ranging from the lower 80s on the Hilltops to the upper 80s across the lower Elevations. West Winds 5 to 10 Mph.

Tonight 5 Jun Ontario

Mostly cloudy through the early Overnight, then a chance of Showers late. Warm with Lows in the mid 60s. Light Winds, becoming southwest 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Memorial Park Temperature Statistics

June Temperature

Penn Yan, Penn Yan Airport (19.9 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    60.3 °F

  • Highest 3 June, 2026

    78.1 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (19.9 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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