Rosa Lake Weather Forecast

    • 19
    • 37

    Decreasing Clouds

    • 31
    • 42

    Chance Freezing Rain

    • 18
    • 37

    Chance Rain/Snow

    • 22
    • 28

    Chance Snow Showers

    • 29
    • 41

    Chance Rain Showers

    • 18
    • 36

    Mostly Cloudy

    • 19
    • 27

    Mostly Cloudy

Today 29 Jan Montcalm

Partly sunny. Highs in the mid 30s. Northwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 29 Jan Montcalm

Partly cloudy. Lows 15 to 20. West Winds 5 to 10 Mph becoming southwest overnight.

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Rosa Lake Temperature Statistics

January Temperature

Ionia County Airport (19.3 miles)

  • Lowest 21 January, 2025

    -5.8 °F

  • Average January

    20.5 °F

  • Highest 17 January, 2025

    39.2 °F

Climate (2020–Present)

Ionia County Airport (19.3 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    58.7 °F
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