Grand River State Wildlife Area Weather Forecast

    • 48
    • 75

    Decreasing Clouds

    • 52
    • 78

    Partly Sunny

    • 51
    • 82

    Partly Sunny

    • 51
    • 81

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

    • 63
    • 87

    Mostly Cloudy

Today 30 May Green Lake

Cooler. Partly sunny. Highs in the lower 70s. East Winds 10 to 15 Mph.

Tonight 30 May Green Lake

Partly cloudy. Near steady temperature in the mid 50s. East Winds up to 10 Mph.

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Grand River State Wildlife Area Temperature Statistics

May Temperature

Wautoma, Wautoma Municipal Airport (22.4 miles)

  • Lowest 2 May, 2026

    24.1 °F

  • Average May

    57.1 °F

  • Highest 26 May, 2026

    90 °F

Climate (2021–Present)

Wautoma, Wautoma Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    57.7 °F
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