Portland Weather Forecast

    • 67
    • 82

    Rain Showers Likely

    • 70
    • 86

    Chance Rain Showers

    • 70
    • 89

    Slight Chance Thunderstorms

    • 67
    • 90

    Partly Sunny

    • 63
    • 85

    Slight Chance Rain Showers

    • 61
    • 83

    Partly Sunny

Today 30 Aug Ionia

Showers and a chance of Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. Southwest Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of rain 90 percent.

Tonight 30 Aug Ionia

Mostly cloudy with a 40 percent chance of Showers and Thunderstorms. Lows in the upper 60s. South Winds around 10 Mph. Gusts up to 25 Mph in the evening.

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Portland Temperature Statistics

August Temperature

Ionia County Airport (9.3 miles)

  • Lowest 24 August, 2026

    50 °F

  • Average August

    70.4 °F

  • Highest 4 August, 2026

    86 °F

Climate (2021–2026)

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

    59 °F
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