Muir Weather Forecast

    • 41
    • 51

    Becoming Sunny

    • 41
    • 67

    Mostly Sunny

    • 55
    • 70

    Mostly Cloudy

    • 56
    • 84

    Chance Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 65
    • 87

    Rain Showers Likely

Today 13 May Ionia

Cloudy. Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts to around 30 Mph.

Tonight 13 May Ionia

Mostly cloudy in the evening then becoming partly cloudy. Lows around 40. Northwest Winds 5 to 15 Mph. Gusts up to 30 Mph decreasing to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Muir Temperature Statistics

May Temperature

Ionia County Airport (6.8 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    50 °F

  • Highest 4 May, 2026

    77 °F

Climate (2021–Present)

Ionia County Airport (6.8 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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