Portland Weather Forecast

    • 55
    • 75

    Rain Showers Likely

    • 51
    • 76

    Slight Chance Rain Showers

    • 53
    • 77

    Partly Sunny

    • 56
    • 76

    Rain Showers Likely

    • 54
    • 77

    Chance Rain Showers

    • 55
    • 78

    Slight Chance Thunderstorms

Today 21 Jun Ionia

Mostly cloudy. A 20 percent chance of rain Showers in the afternoon. Highs in the mid 70s. Light Winds.

Tonight 21 Jun Ionia

Rain Showers likely. Lows in the mid 50s. South Winds around 5 Mph becoming northeast after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

June Temperature

Ionia County Airport (9.3 miles)

  • Lowest 2 June, 2026

    44.6 °F

  • Average June

    68.4 °F

  • Highest 10 June, 2026

    89.6 °F

Climate (2021–2026)

Ionia County Airport (9.3 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.9 °F
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