Portland Weather Forecast

    • 66
    • 86

    Slight Chance Thunderstorms

    • 68
    • 91

    Rain Showers Likely

    • 66
    • 90

    Chance Thunderstorms

    • 60
    • 85

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 63
    • 88

    Slight Chance Thunderstorms

Today 25 Jul Ionia

Sunny. Highs in the mid 80s. Southwest Winds around 10 Mph increasing to 10 to 15 Mph with Gusts to around 25 Mph in the afternoon.

Tonight 25 Jul Ionia

Partly cloudy. A 20 percent chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

July Temperature

Ionia County Airport (9.3 miles)

  • Lowest 22 July, 2026

    51.8 °F

  • Average July

    75.5 °F

  • Highest 14 July, 2026

    98.6 °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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