Mason City Weather Forecast

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    Chance Rain Showers

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    • 74

    Rain Showers

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    Rain Showers

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    • 73

    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

Today 16 Sep Cerro Gordo

Partly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 16 Sep Cerro Gordo

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Mason City Temperature Statistics

September Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 13 September, 2026

    47.6 °F

  • Average September

    70.6 °F

  • Highest 4 September, 2026

    90.6 °F

Climate (2021–2026)

Mason City Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    58.6 °F
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