Portland Weather Forecast

    • 49
    • 73

    Sunny

    • 54
    • 81

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

Today 28 May Ionia

Sunny. Highs in the mid 70s. Northeast Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 28 May Ionia

Clear. Lows in the upper 40s. East Winds around 10 Mph in the evening becoming light.

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Portland Temperature Statistics

May Temperature

Ionia County Airport (9.3 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    55.4 °F

  • Highest 17 May, 2026

    84.2 °F

Climate (2021–Present)

Ionia County Airport (9.3 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.9 °F
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