Mason City Weather Forecast

    • 59
    • 77

    Mostly Cloudy

    • 62
    • 76

    Mostly Cloudy

    • 69
    • 88

    Mostly Sunny

    • 73
    • 92

    Chance Thunderstorms

    • 68
    • 92

    Mostly Sunny

    • 66
    • 88

    Partly Sunny

Today 23 Jul Cerro Gordo

Partly cloudy. Highs in the upper 70s. Light and variable Winds, becoming south around 5 Mph.

Tonight 23 Jul Cerro Gordo

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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Mason City Temperature Statistics

July Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 19 July, 2026

    58.6 °F

  • Average July

    75.2 °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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