Portland Weather Forecast

    • 69
    • 91

    Rain Showers Likely

    • 66
    • 85

    Rain Showers Likely

    • 63
    • 83

    Chance Rain Showers

    • 58
    • 81

    Partly Sunny

    • 59
    • 79

    Partly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

Today 2 Sep Ionia

Mostly sunny in the morning then becoming partly sunny. Highs around 90. Southwest Winds 5 to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph in the afternoon.

Tonight 2 Sep Ionia

A chance of Showers and Thunderstorms in the Evening, then Showers likely and a chance of Thunderstorms after midnight. Lows in the upper 60s. West Winds 5 to 10 Mph with Gusts to around 25 Mph in the evening becoming light. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

September Temperature

Ionia County Airport (9.3 miles)

  • Lowest

    –

  • Average September

    –

  • Highest

    –

Climate (2021–2026)

Ionia County Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59 °F
Get WillyWeather+ to remove ads