Three Mills County Park Weather Forecast

    • 62
    • 75

    Increasing Clouds

    • 67
    • 78

    Chance Rain Showers

    • 68
    • 84

    Rain Showers Likely

    • 61
    • 82

    Chance Thunderstorms

    • 58
    • 75

    Partly Sunny

    • 68
    • 83

    Chance Rain Showers

    • 70
    • 85

    Slight Chance Thunderstorms

Today 16 Jun Ontario

Mostly cloudy. Highs Ranging from the upper 60s on the Hilltops to the mid 70s across the lower Elevations. Southeast Winds 5 to 10 Mph, becoming south.

Tonight 16 Jun Ontario

Partly to mostly cloudy. Lows in the lower 60s. South Winds around 10 Mph, becoming light.

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Three Mills County Park Temperature Statistics

June Temperature

Penn Yan, Penn Yan Airport (23.6 miles)

  • Lowest 1 June, 2025

    45.6 °F

  • Average June

    65.7 °F

  • Highest 4 June, 2025

    89.7 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (23.6 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.3 °F
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