Clear Lake Weather Forecast

    • 19
    • 39

    Chance Snow Showers

    • 20
    • 28

    Gradual Clearing

    • 33
    • 40

    Chance Snow Showers

    • 26
    • 43

    Mostly Cloudy

    • 35
    • 42

    Rain Showers

    • 35
    • 51

    Chance Rain Showers

    • 30
    • 44

    Slight Chance Rain Showers

Today 20 Dec Allegan

Cloudy with a 40 percent chance of rain Showers, possibly mixed with snow Showers. Highs in the upper 30s. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 20 Dec Allegan

Mostly clear in the Evening, then mostly cloudy with a 40 percent chance of snow Showers after midnight. Lows 15 to 20. West Winds 15 to 25 Mph with Gusts to around 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

December Temperature

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

  • Lowest 8 December, 2025

    -2.2 °F

  • Average December

    27 °F

  • Highest 18 December, 2025

    51.8 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    59.3 °F
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