Mason City Weather Forecast

    • 58
    • 89

    Chance Thunderstorms

    • 58
    • 88

    Slight Chance Thunderstorms

    • 53
    • 82

    Mostly Sunny

    • 53
    • 81

    Partly Sunny

    • 52
    • 80

    Partly Sunny

    • 52
    • 78

    Mostly Sunny

Today 26 May Cerro Gordo

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms this morning. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 26 May Cerro Gordo

Mostly clear in the Evening, then becoming partly cloudy. A chance of Showers. A slight chance of Thunderstorms in the Evening, then a chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 10 Mph. Chance of rain 40 percent.

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Mason City Temperature Statistics

May Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 2 May, 2026

    29.6 °F

  • Average May

    56.2 °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

    37.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.5 °F
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