Crystal Lake Weather Forecast

    • 57
    • 81

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

    • 57
    • 79

    Partly Sunny

    • 54
    • 76

    Mostly Cloudy

    • 52
    • 72

    Chance Rain Showers

Today 15 Sep Oceana

Sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 15 Sep Oceana

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

September Temperature

Ludington, Mason County Airport (21.1 miles)

  • Lowest 8 September, 2025

    37.4 °F

  • Average September

    59.3 °F

  • Highest 1 September, 2025

    75.2 °F

Climate (2020–Present)

Ludington, Mason County Airport (21.1 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    56.4 °F
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