Mason City Weather Forecast

    • 58
    • 77

    Chance Thunderstorms

    • 57
    • 77

    Partly Sunny

    • 61
    • 79

    Chance Thunderstorms

    • 59
    • 79

    Chance Rain Showers

    • 56
    • 76

    Partly Sunny

    • 57
    • 75

    Partly Sunny

Today 18 Aug Cerro Gordo

Partly sunny with a chance of Thunderstorms. Showers Likely, mainly in the morning. Humid with Highs in the upper 70s. West Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 70 percent.

Tonight 18 Aug Cerro Gordo

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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Mason City Temperature Statistics

August Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    71.2 °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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