Mason City Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 52
    • 71

    Mostly Cloudy

    • 46
    • 66

    Slight Chance Rain Showers

Today 20 Oct Cerro Gordo

Sunny. Highs in the upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 20 Oct Cerro Gordo

Mostly clear. Lows in the mid 40s. South Winds around 5 Mph.

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Mason City Temperature Statistics

October Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 17 October, 2026

    28.9 °F

  • Average October

    58.6 °F

  • Highest 11 October, 2026

    89.7 °F

Climate (2021–2026)

Mason City Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.5 °F
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