Three Mills County Park Weather Forecast

    • 40
    • 55

    Mostly Cloudy

    • 51
    • 61

    Mostly Cloudy

    • 43
    • 71

    Rain Showers

    • 29
    • 53

    Slight Chance Snow Showers

    • 33
    • 43

    Rain/Snow Likely

    • 39
    • 50

    Chance Rain Showers

Today 29 Mar Ontario

Cloudy. Highs Ranging from around 50 on the Hilltops to the mid 50s across the lower Elevations. South Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph.

Tonight 29 Mar Ontario

Mostly cloudy and not as cold with Lows around 40. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Three Mills County Park Temperature Statistics

March Temperature

Penn Yan, Penn Yan Airport (23.6 miles)

  • Lowest 2 March, 2026

    10 °F

  • Average March

    39.1 °F

  • Highest 10 March, 2026

    72 °F

Climate (2021–Present)

Penn Yan, Penn Yan Airport (23.6 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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