Mason City Weather Forecast

    • 64
    • 82

    Slight Chance Thunderstorms

    • 55
    • 73

    Rain Showers Likely

    • 53
    • 72

    Chance Rain Showers

    • 58
    • 78

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 67
    • 84

    Slight Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

Today 3 Aug Cerro Gordo

Mostly sunny. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 3 Aug Cerro Gordo

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Mason City Temperature Statistics

August Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 1 August, 2026

    62.1 °F

  • Average August

    70.3 °F

  • Highest 1 August, 2026

    81 °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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