Mason City Weather Forecast

    • 69
    • 81

    Partly Sunny

    • 73
    • 89

    Slight Chance Thunderstorms

    • 69
    • 90

    Chance Rain Showers

    • 66
    • 87

    Chance Thunderstorms

    • 67
    • 87

    Chance Rain Showers

    • 67
    • 87

    Chance Rain Showers

Today 29 Aug Cerro Gordo

Mostly cloudy late this Morning, then becoming partly sunny. A chance of Showers with a slight chance of Thunderstorms late this morning. Highs in the lower 80s. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 50 percent.

Tonight 29 Aug Cerro Gordo

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows around 70. South Winds 10 to 15 Mph.

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Mason City Temperature Statistics

August Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 23 August, 2026

    49.6 °F

  • Average August

    70.2 °F

  • Highest 11 August, 2026

    85.6 °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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