Marker Lake Weather Forecast

    • 45
    • 68

    Increasing Clouds

    • 43
    • 65

    Becoming Sunny

    • 45
    • 69

    Mostly Sunny

    • 45
    • 70

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 57
    • 71

    Chance Rain Showers

    • 59
    • 69

    Chance Rain Showers

Today 24 Sep Ionia

Partly sunny with a 40 percent chance of rain Showers. Highs in the upper 60s.

Tonight 24 Sep Ionia

Partly cloudy. Lows in the mid 40s. Southeast Winds 5 to 10 Mph in the evening becoming light.

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Marker Lake Temperature Statistics

September Temperature

Ionia County Airport (8.1 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Ionia County Airport (8.1 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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