Hess Lake Weather Forecast

    • 62
    • 84

    Slight Chance Thunderstorms

    • 63
    • 82

    Mostly Cloudy

    • 60
    • 83

    Partly Sunny

    • 66
    • 81

    Rain Showers Likely

    • 60
    • 81

    Slight Chance Thunderstorms

    • 56
    • 78

    Partly Sunny

Today 12 Aug Ionia

Areas of fog in the morning. Partly sunny with a 20 percent chance of Showers and Thunderstorms. Highs in the mid 80s. Light Winds becoming west 5 to 10 Mph with Gusts to around 20 Mph in the afternoon.

Tonight 12 Aug Ionia

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the lower 60s. Northwest Winds around 10 Mph with Gusts to around 20 Mph in the evening becoming light.

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Hess Lake Temperature Statistics

August Temperature

Ionia County Airport (12.4 miles)

  • Lowest 9 August, 2026

    55.4 °F

  • Average August

    71.7 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

Ionia County Airport (12.4 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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