Merrick State Park Weather Forecast

    • 62
    • 81

    Increasing Clouds

    • 58
    • 83

    Chance Thunderstorms

    • 63
    • 83

    Slight Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 63
    • 83

    Slight Chance Rain Showers

    • 62
    • 82

    Slight Chance Thunderstorms

    • 60
    • 81

    Partly Sunny

Today 6 Aug Buffalo

Mostly sunny. Highs in the lower 80s. South Winds 5 to 10 Mph.

Tonight 6 Aug Buffalo

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds around 5 Mph.

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Merrick State Park Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    60.8 °F

  • Average August

    72.2 °F

  • Highest 1 August, 2026

    86 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.6 °F
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