Muir Weather Forecast

    • 42
    • 64

    Mostly Cloudy

    • 51
    • 69

    Rain Showers Likely

    • 50
    • 66

    Rain Showers

    • 52
    • 76

    Slight Chance Thunderstorms

    • 55
    • 82

    Partly Sunny

    • 58
    • 85

    Partly Sunny

    • 57
    • 84

    Chance Rain Showers

Today 21 May Ionia

Partly sunny. Highs in the mid 60s. East Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 21 May Ionia

Partly cloudy. Lows in the lower 40s. Northeast Winds 10 to 15 Mph with Gusts to around 30 Mph.

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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

    55 °F

  • Highest 17 May, 2026

    84.2 °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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