Mason City Weather Forecast

    • 69
    • 88

    Chance Thunderstorms

    • 69
    • 87

    Rain Showers Likely

    • 71
    • 87

    Chance Thunderstorms

    • 69
    • 89

    Slight Chance Thunderstorms

    • 68
    • 90

    Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

Today 1 Sep Cerro Gordo

Partly sunny with a 50 percent chance of Showers. Near steady temperature in the upper 80s. Southeast Winds around 5 Mph.

Tonight 1 Sep Cerro Gordo

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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Mason City Temperature Statistics

September Temperature

Mason City Municipal Airport (6.2 miles)

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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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