Portland Weather Forecast

    • 47
    • 64

    Mostly Cloudy

    • 52
    • 73

    Partly Sunny

    • 48
    • 72

    Chance Rain Showers

    • 49
    • 68

    Mostly Cloudy

    • 51
    • 69

    Chance Rain Showers

    • 51
    • 69

    Chance Rain Showers

Today 27 Oct Ionia

Mostly cloudy. Highs in the lower 60s. East Winds 5 to 10 Mph with Gusts to around 20 Mph.

Tonight 27 Oct Ionia

Mostly cloudy. Lows in the upper 40s. Southeast Winds 5 to 10 Mph.

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Portland Temperature Statistics

October Temperature

Ionia County Airport (9.3 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    56 °F

  • Highest 12 October, 2026

    84.2 °F

Climate (2021–2026)

Ionia County Airport (9.3 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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