Portland State Game Area Weather Forecast

    • 47
    • 60

    Rain Showers

    • 41
    • 56

    Rain Showers

    • 37
    • 51

    Rain Showers

    • 33
    • 51

    Slight Chance Rain Showers

    • 34
    • 53

    Mostly Cloudy

    • 37
    • 54

    Partly Sunny

Today 20 Oct Ionia

Sunny. Highs in the lower 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 20 Oct Ionia

Mostly clear with a chance of rain Showers in the Evening, then rain Showers after midnight. Lows in the mid 40s. South Winds 10 to 15 Mph with Gusts to around 25 Mph. Chance of rain 90 percent.

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Portland State Game Area Temperature Statistics

October Temperature

Ionia County Airport (10.6 miles)

  • Lowest 9 October, 2025

    33.8 °F

  • Average October

    58.2 °F

  • Highest 4 October, 2025

    87.8 °F

Climate (2020–Present)

Ionia County Airport (10.6 miles)

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  • Average Low 2020–2025

    41.1 °F

  • Average 2020–2025

    50.1 °F

  • Average High 2020–2025

    59.1 °F
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