Portland Weather Forecast

    • 65
    • 82

    Chance Thunderstorms

    • 56
    • 79

    Slight Chance Rain Showers

    • 46
    • 68

    Mostly Cloudy

    • 47
    • 65

    Rain Showers Likely

    • 34
    • 60

    Chance Rain Showers

    • 31
    • 51

    Mostly Sunny

Today 12 Oct Ionia

Partly sunny in the morning then becoming mostly sunny. Highs in the lower 80s. Southwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

Tonight 12 Oct Ionia

Partly cloudy with a 50 percent chance of Showers and Thunderstorms. Lows in the mid 60s. Southwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

October Temperature

Ionia County Airport (9.3 miles)

  • Lowest 6 October, 2026

    35.6 °F

  • Average October

    56.9 °F

  • Highest 7 October, 2026

    75.2 °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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