Saint Clair Lake Weather Forecast

    • 56
    • 82

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 54
    • 77

    Chance Rain Showers

    • 49
    • 72

    Chance Rain Showers

    • 50
    • 69

    Mostly Cloudy

Today 14 Sep Antrim

Mostly sunny. Highs around 80. Light Winds becoming northeast up to 10 Mph in the afternoon.

Tonight 14 Sep Antrim

Mostly clear. Lows in the upper 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Clair Lake Temperature Statistics

September Temperature

Charlevoix, Charlevoix Municipal Airport (9.3 miles)

  • Lowest 8 September, 2025

    44.6 °F

  • Average September

    58.9 °F

  • Highest 1 September, 2025

    73.4 °F

Climate (2020–Present)

Charlevoix, Charlevoix Municipal Airport (9.3 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    54.6 °F
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