Clear Lake Weather Forecast

    • 66
    • 86

    Rain Showers

    • 48
    • 83

    Rain Showers

    • 41
    • 61

    Partly Sunny

    • 46
    • 66

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

    • 55
    • 75

    Mostly Cloudy

Today 18 May Allegan

A chance of Showers and Thunderstorms in the Morning, then Showers and a chance of Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of rain 80 percent.

Tonight 18 May Allegan

Showers likely and a chance of Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of rain 70 percent.

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Clear Lake Temperature Statistics

May Temperature

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

  • Lowest 12 May, 2026

    32 °F

  • Average May

    50.8 °F

  • Highest 4 May, 2026

    77 °F

Climate (2021–Present)

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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