Rainbow Lake Weather Forecast

    • 56
    • 81

    Becoming Sunny

    • 55
    • 82

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 46
    • 70

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

Today 15 Sep Kalkaska

Mostly sunny. Highs in the lower 80s. Southeast Winds up to 10 Mph.

Tonight 15 Sep Kalkaska

Mostly clear. Patchy fog after midnight. Lows in the mid 50s. Light Winds.

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  • Temperature Real-Time

Rainbow Lake Temperature Statistics

September Temperature

Bellaire, Antrim County Airport (13 miles)

  • Lowest 8 September, 2025

    39 °F

  • Average September

    58.4 °F

  • Highest 1 September, 2025

    78.1 °F

Climate (2020–Present)

Bellaire, Antrim County Airport (13 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    56.4 °F
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