Mason City Weather Forecast

    • 72
    • 93

    Rain Showers Likely

    • 72
    • 90

    Rain Showers

    • 70
    • 89

    Rain Showers Likely

    • 69
    • 88

    Chance Thunderstorms

    • 69
    • 88

    Rain Showers Likely

    • 64
    • 84

    Slight Chance Thunderstorms

Today 30 Jun Cerro Gordo

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Humid with Highs in the lower 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 101.

Tonight 30 Jun Cerro Gordo

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 102 early in the evening.

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Mason City Temperature Statistics

June Temperature

Mason City Municipal Airport (6.2 miles)

  • Lowest 19 June, 2026

    47.6 °F

  • Average June

    68.8 °F

  • Highest 10 June, 2026

    90.6 °F

Climate (2021–2026)

Mason City Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.5 °F
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