Mason City Weather Forecast

    • 57
    • 78

    Decreasing Clouds

    • 63
    • 80

    Partly Sunny

    • 61
    • 81

    Slight Chance Thunderstorms

    • 57
    • 78

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 61
    • 78

    Partly Sunny

Today 19 Aug Cerro Gordo

Patchy fog in the morning. Partly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 19 Aug Cerro Gordo

Partly cloudy. Lows in the upper 50s. North Winds around 5 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

    71.3 °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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