Portland Weather Forecast

    • 66
    • 83

    Rain Showers Likely

    • 62
    • 84

    Chance Thunderstorms

    • 61
    • 82

    Chance Thunderstorms

    • 59
    • 82

    Chance Thunderstorms

    • 55
    • 79

    Partly Sunny

    • 53
    • 77

    Slight Chance Rain Showers

Today 9 Aug Ionia

Sunny in the Morning, then partly sunny with a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. South Winds around 10 Mph with Gusts to around 25 Mph. Chance of rain 50 percent.

Tonight 9 Aug Ionia

Showers likely and a chance of Thunderstorms. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

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Portland Temperature Statistics

August Temperature

Ionia County Airport (9.3 miles)

  • Lowest 4 August, 2026

    57.2 °F

  • Average August

    71.1 °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

    50 °F

  • Average High 2021–2026

    59 °F
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