Mason City Weather Forecast

    • 67
    • 85

    Slight Chance Thunderstorms

    • 66
    • 83

    Rain Showers Likely

    • 63
    • 77

    Rain Showers Likely

    • 64
    • 76

    Rain Showers

    • 64
    • 80

    Chance Thunderstorms

    • 59
    • 77

    Partly Sunny

    • 60
    • 77

    Partly Sunny

Today 11 Aug Cerro Gordo

Mostly sunny. Near steady temperature in the lower 80s. East Winds around 5 Mph.

Tonight 11 Aug Cerro Gordo

Partly cloudy with isolated Showers and Thunderstorms this Evening, then mostly cloudy after midnight. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 20 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 6 August, 2026

    51.7 °F

  • Average August

    68.9 °F

  • Highest 3 August, 2026

    83.6 °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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