Mason City Weather Forecast

    • 51
    • 74

    Becoming Sunny

    • 58
    • 78

    Mostly Cloudy

    • 62
    • 78

    Partly Sunny

    • 70
    • 89

    Slight Chance Thunderstorms

    • 71
    • 92

    Chance Rain Showers

    • 66
    • 90

    Mostly Sunny

Today 22 Jul Cerro Gordo

Mostly sunny. Highs in the mid 70s. North Winds around 5 Mph.

Tonight 22 Jul Cerro Gordo

Mostly clear. Lows in the lower 50s. East Winds around 5 Mph, becoming south after midnight.

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Mason City Temperature Statistics

July Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 19 July, 2026

    58.6 °F

  • Average July

    75.3 °F

  • Highest 16 July, 2026

    90.6 °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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