Clear Lake Weather Forecast

    • 72
    • 87

    Slight Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

    • 60
    • 80

    Partly Sunny

    • 57
    • 79

    Partly Sunny

Today 1 Sep Allegan

Mostly sunny with a chance of Showers and a slight chance of Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts to around 20 Mph. Chance of rain 30 percent. Heat index Readings 91 to 96.

Tonight 1 Sep Allegan

Partly cloudy with a 30 percent chance of Showers and Thunderstorms. Lows in the lower 70s. Light Winds. Gusts up to 20 Mph in the evening.

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Clear Lake Temperature Statistics

September Temperature

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

  • Lowest

  • Average September

  • Highest

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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