Portland Weather Forecast

    • 49
    • 70

    Rain Showers Likely

    • 43
    • 63

    Chance Rain Showers

    • 38
    • 61

    Slight Chance Rain Showers

    • 44
    • 66

    Mostly Sunny

    • 49
    • 73

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

    • 54
    • 77

    Partly Sunny

Today 30 Apr Cerro Gordo

Partly sunny. A slight chance of Showers this afternoon. Highs in the mid 60s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 30 Apr Cerro Gordo

Cloudy. A slight chance of Showers early this Evening, then a chance of Showers. Lows in the upper 40s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Portland Temperature Statistics

April Temperature

Mason City Municipal Airport (9.9 miles)

  • Lowest 8 April, 2025

    19.9 °F

  • Average April

    47.6 °F

  • Highest 17 April, 2025

    79.6 °F

Climate (2020–Present)

Mason City Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    58.1 °F
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