Muir Weather Forecast

    • 54
    • 73

    Decreasing Clouds

    • 64
    • 81

    Chance Thunderstorms

    • 53
    • 77

    Partly Sunny

    • 47
    • 68

    Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

    • 37
    • 61

    Slight Chance Rain Showers

Today 11 Oct Ionia

Partly sunny in the morning then becoming mostly sunny. Highs in the lower 70s. Light Winds.

Tonight 11 Oct Ionia

Mostly clear. Lows in the mid 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Muir Temperature Statistics

October Temperature

Ionia County Airport (6.8 miles)

  • Lowest 6 October, 2026

    35.6 °F

  • Average October

    56.9 °F

  • Highest 7 October, 2026

    75.2 °F

Climate (2021–2026)

Ionia County Airport (6.8 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59 °F
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