Merrick State Park Weather Forecast

    • 42
    • 65

    Rain Showers

    • 39
    • 46

    Rain Showers Likely

    • 32
    • 49

    Partly Sunny

    • 31
    • 53

    Mostly Sunny

    • 39
    • 57

    Partly Sunny

    • 42
    • 59

    Partly Sunny

    • 48
    • 60

    Mostly Cloudy

Today 20 Oct Buffalo

Showers. Highs in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 20 Oct Buffalo

Mostly cloudy with a chance of rain Showers this Evening, then partly cloudy after midnight. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

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Merrick State Park Temperature Statistics

October Temperature

Winona, Winona Municipal Airport-Max Conrad Field (5.6 miles)

  • Lowest 8 October, 2025

    33.8 °F

  • Average October

    59.6 °F

  • Highest 3 October, 2025

    89.6 °F

Climate (2020–Present)

Winona, Winona Municipal Airport-Max Conrad Field (5.6 miles)

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  • Average Low 2020–2025

    39.3 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.5 °F
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