Mason City Weather Forecast

    • 69
    • 89

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

    • 63
    • 87

    Mostly Sunny

    • 69
    • 86

    Chance Thunderstorms

    • 67
    • 91

    Mostly Sunny

    • 59
    • 82

    Mostly Sunny

    • 58
    • 77

    Slight Chance Thunderstorms

Today 16 Jul Cerro Gordo

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 16 Jul Cerro Gordo

Mostly clear. Humid with Lows in the upper 60s. South Winds around 5 Mph.

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Mason City Temperature Statistics

July Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 12 July, 2026

    61 °F

  • Average July

    75 °F

  • Highest 14 July, 2026

    89.1 °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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