Mason City Weather Forecast

    • 59
    • 82

    Becoming Sunny

    • 54
    • 78

    Sunny

    • 56
    • 77

    Slight Chance Rain Showers

    • 59
    • 75

    Slight Chance Rain Showers

    • 62
    • 81

    Chance Rain Showers

    • 59
    • 80

    Mostly Sunny

Today 21 Aug Cerro Gordo

Sunny. A slight chance of Showers this morning. Highs in the lower 80s. West Winds 5 to 10 Mph, becoming northwest with Gusts up to 20 Mph this afternoon. Chance of rain 20 percent.

Tonight 21 Aug Cerro Gordo

Mostly clear. Lows in the upper 50s. Northwest Winds 5 to 10 Mph.

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Mason City Temperature Statistics

August Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    71.2 °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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