Clear Lake Weather Forecast

    • 68
    • 81

    Chance Rain Showers

    • 71
    • 85

    Chance Rain Showers

    • 73
    • 88

    Mostly Cloudy

    • 73
    • 88

    Mostly Cloudy

    • 68
    • 90

    Chance Rain Showers

    • 64
    • 84

    Slight Chance Rain Showers

    • 64
    • 83

    Partly Sunny

Today 29 Aug Allegan

Mostly cloudy. A chance of Sprinkles. Highs in the lower 80s. Southwest Winds 5 to 15 Mph.

Tonight 29 Aug Allegan

Mostly cloudy with a 50 percent chance of Showers. Lows in the upper 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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Clear Lake Temperature Statistics

August Temperature

South Haven, South Haven Area Regional Airport (13 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    71 °F

  • Highest 14 August, 2026

    86 °F

Climate (2021–2026)

South Haven, South Haven Area Regional Airport (13 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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