Muir Weather Forecast

    • 42
    • 69

    Becoming Sunny

    • 36
    • 61

    Sunny

    • 51
    • 66

    Mostly Sunny

    • 45
    • 69

    Mostly Sunny

    • 44
    • 66

    Partly Sunny

    • 41
    • 66

    Mostly Sunny

Today 4 Oct Ionia

Mostly sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph becoming west around 15 Mph in the afternoon. Gusts up to 25 Mph.

Tonight 4 Oct Ionia

Mostly clear. Lows in the lower 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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Muir Temperature Statistics

October Temperature

Ionia County Airport (6.8 miles)

  • Lowest 2 October, 2026

    48.2 °F

  • Average October

    60.8 °F

  • Highest 1 October, 2026

    69.8 °F

Climate (2021–2026)

Ionia County Airport (6.8 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59 °F
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