Mason City Weather Forecast

    • 65
    • 82

    Rain Showers Likely

    • 70
    • 83

    Rain Showers Likely

    • 72
    • 88

    Chance Rain Showers

    • 70
    • 90

    Slight Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

    • 69
    • 88

    Slight Chance Thunderstorms

Today 28 Aug Cerro Gordo

Sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 28 Aug Cerro Gordo

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason City Temperature Statistics

August Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 23 August, 2026

    49.6 °F

  • Average August

    70.3 °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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