Mason City Weather Forecast

    • 42
    • 61

    Increasing Clouds

    • 43
    • 61

    Mostly Cloudy

    • 45
    • 60

    Chance Rain Showers

    • 47
    • 68

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

    • 54
    • 82

    Partly Sunny

Today 20 May Cerro Gordo

Sunny this Morning, then becoming partly sunny. Highs around 60. North Winds 5 to 10 Mph.

Tonight 20 May Cerro Gordo

Mostly cloudy. Lows in the lower 40s. East Winds 5 to 10 Mph.

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Mason City Temperature Statistics

May Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 2 May, 2026

    29.6 °F

  • Average May

    56.1 °F

  • Highest 15 May, 2026

    90.6 °F

Climate (2021–Present)

Mason City Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.6 °F
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