Hoover Lake Weather Forecast

    • 52
    • 74

    Mostly Cloudy

    • 55
    • 75

    Chance Rain Showers

    • 57
    • 68

    Rain Showers

    • 49
    • 67

    Slight Chance Rain Showers

    • 48
    • 63

    Chance Rain Showers

    • 52
    • 67

    Mostly Cloudy

Today 17 Sep Eaton

Cloudy with a 50 percent chance of Showers. Highs in the mid 70s. Northeast Winds around 5 Mph.

Tonight 17 Sep Eaton

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 50s. Light Winds.

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Hoover Lake Temperature Statistics

September Temperature

Ionia County Airport (13.7 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    68.8 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Ionia County Airport (13.7 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59 °F
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