Portland Weather Forecast

    • 33
    • 59

    Rain Showers Likely

    • 25
    • 47

    Slight Chance Rain Showers

    • 36
    • 48

    Partly Sunny

    • 42
    • 66

    Mostly Sunny

    • 44
    • 66

    Mostly Sunny

    • 54
    • 74

    Chance Rain Showers

Today 18 Apr Ionia

Rain Showers likely and a chance of Thunderstorms in the Morning, then partly sunny in the afternoon. Highs in the upper 50s. West Winds 15 to 20 Mph with Gusts to around 35 Mph. Chance of rain 70 percent.

Tonight 18 Apr Ionia

Partly cloudy. Lows in the lower 30s. West Winds 10 to 15 Mph. Gusts up to 35 Mph decreasing to 25 Mph after midnight.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

April Temperature

Ionia County Airport (9.3 miles)

  • Lowest 7 April, 2026

    21.2 °F
  • Average April

    46.8 °F
  • Highest 12 April, 2026

    78.8 °F

Climate (2021–Present)

Ionia County Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    40.8 °F
  • Average 2021–2026

    49.9 °F
  • Average High 2021–2026

    58.9 °F
Get WillyWeather+ to remove ads