Mason City Weather Forecast

    • 66
    • 90

    Rain Showers Likely

    • 55
    • 79

    Patchy Smoke

    • 55
    • 76

    Mostly Sunny

    • 59
    • 79

    Slight Chance Rain Showers

    • 60
    • 79

    Partly Sunny

    • 65
    • 85

    Partly Sunny

Today 20 Jul Cerro Gordo

Showers with a chance of Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe this afternoon. Highs around 90. Southwest Winds 10 to 15 Mph. Chance of rain near 100 percent. Heat index Values up to 102 this afternoon.

Tonight 20 Jul Cerro Gordo

Mostly clear with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Patchy smoke in the Evening, then Areas of smoke after midnight. Some Thunderstorms may be severe. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

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Mason City Temperature Statistics

July Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 12 July, 2026

    61 °F

  • Average July

    75.8 °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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