Sink Lake Weather Forecast

    • 59
    • 84

    Partly Sunny

    • 58
    • 85

    Slight Chance Thunderstorms

    • 59
    • 82

    Chance Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 59
    • 76

    Chance Thunderstorms

    • 57
    • 76

    Chance Rain Showers

Today 18 Sep Allegan

Sunny. Highs in the upper 70s near lake Michigan in the mid 80s inland. Northwest Winds around 10 Mph.

Tonight 18 Sep Allegan

Mostly clear. Lows in the upper 50s. Light Winds becoming east 10 Mph after midnight.

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Sink Lake Temperature Statistics

September Temperature

Holland - West Michigan Regional Airport (7.5 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    61.9 °F

  • Highest 14 September, 2025

    84 °F

Climate (2020–Present)

Holland - West Michigan Regional Airport (7.5 miles)

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  • Average Low 2020–2025

    43.1 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    59.8 °F
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