Portland Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 55
    • 73

    Breezy

    • 49
    • 72

    Chance Thunderstorms

    • 46
    • 72

    Chance Thunderstorms

    • 43
    • 63

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

Today 5 May Cerro Gordo

Sunny. Highs in the mid 60s. West Winds around 5 Mph, becoming south in the afternoon.

Tonight 5 May Cerro Gordo

Mostly clear. Lows in the mid 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portland Temperature Statistics

May Temperature

Mason City Municipal Airport (9.9 miles)

  • Lowest 2 May, 2024

    46 °F

  • Average May

    53.5 °F

  • Highest 1 May, 2024

    64.9 °F

Climate (2019–Present)

Mason City Municipal Airport (9.9 miles)

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  • Average Low 2019–2024

    36.7 °F

  • Average 2019–2024

    47 °F

  • Average High 2019–2024

    57.2 °F
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