Mason City Weather Forecast

    • 55
    • 81

    Slight Chance Thunderstorms

    • 55
    • 78

    Rain Showers Likely

    • 57
    • 80

    Chance Thunderstorms

    • 55
    • 82

    Partly Sunny

    • 58
    • 82

    Chance Thunderstorms

    • 60
    • 82

    Chance Thunderstorms

Today 30 May Cerro Gordo

Mostly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 30 May Cerro Gordo

Mostly cloudy with a slight chance of Showers. A slight chance of Thunderstorms after midnight. Lows in the mid 50s. Southeast Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason City Temperature Statistics

May Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 2 May, 2026

    29.6 °F

  • Average May

    58.7 °F

  • Highest 15 May, 2026

    90.6 °F

Climate (2021–Present)

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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