Mason City Weather Forecast

    • 64
    • 78

    Increasing Clouds

    • 71
    • 88

    Partly Sunny

    • 73
    • 90

    Chance Thunderstorms

    • 69
    • 91

    Mostly Sunny

    • 65
    • 88

    Mostly Sunny

    • 66
    • 87

    Slight Chance Thunderstorms

Today 24 Jul Cerro Gordo

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 24 Jul Cerro Gordo

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph.

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Mason City Temperature Statistics

July Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 22 July, 2026

    53.1 °F

  • Average July

    74.6 °F

  • Highest 16 July, 2026

    90.6 °F

Climate (2021–2026)

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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