Clear Lake Weather Forecast

    • 58
    • 78

    Increasing Clouds

    • 61
    • 81

    Partly Sunny

    • 53
    • 76

    Partly Sunny

    • 64
    • 75

    Mostly Cloudy

    • 58
    • 79

    Chance Rain Showers

    • 57
    • 72

    Chance Rain Showers

Today 11 Sep Allegan

Sunny. Highs in the upper 70s. Light Winds.

Tonight 11 Sep Allegan

Mostly clear. Lows in the upper 50s. Southeast Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

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

  • Lowest 7 September, 2026

    57.2 °F

  • Average September

    74.9 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.5 °F
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