Rainbow Lake Weather Forecast

    • 69
    • 87

    Rain Showers

    • 69
    • 89

    Chance Thunderstorms

    • 66
    • 89

    Rain Showers Likely

    • 62
    • 84

    Chance Rain Showers

    • 60
    • 83

    Partly Sunny

    • 58
    • 83

    Partly Sunny

Today 31 Aug Gratiot

Mostly cloudy with scattered Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 50 percent.

Tonight 31 Aug Gratiot

Partly cloudy. Lows in the upper 60s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rainbow Lake Temperature Statistics

August Temperature

Alma, Gratiot Community Airport (12.4 miles)

  • Lowest 28 August, 2026

    46.4 °F

  • Average August

    68.9 °F

  • Highest 16 August, 2026

    87.8 °F

Climate (2021–2026)

Alma, Gratiot Community Airport (12.4 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    49 °F

  • Average High 2021–2026

    58.6 °F
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