Mason City Weather Forecast

    • 56
    • 72

    Rain Showers Likely

    • 53
    • 74

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 59
    • 81

    Chance Rain Showers

    • 63
    • 81

    Chance Thunderstorms

    • 66
    • 83

    Chance Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

Today 4 Aug Cerro Gordo

Showers likely with a chance of Thunderstorms. Near steady temperature around 70. North Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 4 Aug Cerro Gordo

Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid 50s. Northwest Winds around 5 Mph. Chance of rain 70 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 2 August, 2026

    59 °F

  • Average August

    71.2 °F

  • Highest 1 August, 2026

    81.6 °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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