Mason City Weather Forecast

    • 68
    • 87

    Increasing Clouds

    • 70
    • 88

    Slight Chance Thunderstorms

    • 68
    • 88

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

    • 67
    • 88

    Chance Rain Showers

Today 31 Aug Cerro Gordo

Mostly sunny. Highs in the upper 80s. Northwest Winds around 5 Mph.

Tonight 31 Aug Cerro Gordo

Partly cloudy. Humid with Lows in the upper 60s. West Winds around 5 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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