Rock Lake Weather Forecast

    • 29
    • 43

    Increasing Clouds

    • 16
    • 37

    Chance Freezing Rain

    • 21
    • 27

    Mostly Cloudy

    • 29
    • 41

    Slight Chance Rain Showers

    • 17
    • 35

    Mostly Cloudy

    • 18
    • 25

    Mostly Cloudy

Today 30 Jan Montcalm

Sunny. Highs in the lower 40s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 30 Jan Montcalm

Partly cloudy through about 2 am then becoming mostly cloudy. Lows 15 to 20. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

January Temperature

Alma, Gratiot Community Airport (13.7 miles)

  • Lowest 21 January, 2025

    -4 °F

  • Average January

    20.3 °F

  • Highest 17 January, 2025

    39.2 °F

Climate (2020–Present)

Alma, Gratiot Community Airport (13.7 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    58.6 °F
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