Clear Lake Weather Forecast

    • 29
    • 38

    Chance Rain/Snow

    • 33
    • 46

    Chance Rain Showers

    • 34
    • 53

    Slight Chance Rain Showers

    • 37
    • 58

    Slight Chance Rain/Snow

    • 23
    • 52

    Partly Sunny

    • 24
    • 41

    Partly Sunny

Today 18 Mar Montcalm

Mostly cloudy with a 50 percent chance of snow Showers. Highs in the mid 30s. South Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 18 Mar Montcalm

Mostly cloudy. A 30 percent chance of light freezing rain after midnight. Lows in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts to around 20 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

March Temperature

Ionia County Airport (13 miles)

  • Lowest 1 March, 2026

    8.6 °F

  • Average March

    38.3 °F

  • Highest 9 March, 2026

    71.6 °F

Climate (2021–Present)

Ionia County Airport (13 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59 °F
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