Sheffield Weather Forecast

    • 65
    • 89

    Chance Thunderstorms

    • 63
    • 85

    Slight Chance Thunderstorms

    • 62
    • 87

    Chance Rain Showers

    • 59
    • 80

    Chance Thunderstorms

    • 56
    • 78

    Chance Rain Showers

    • 53
    • 74

    Chance Rain Showers

Today 14 Sep Franklin

Mostly cloudy. Humid with Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 14 Sep Franklin

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Sheffield Temperature Statistics

September Temperature

Mason City Municipal Airport (18.6 miles)

  • Lowest 7 September, 2025

    39 °F

  • Average September

    59.1 °F

  • Highest 11 September, 2025

    80.1 °F

Climate (2020–Present)

Mason City Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    58.2 °F
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