Sheffield Weather Forecast

    • 1
    • 37

    Snow Showers

    • 19
    • 28

    Partly Sunny

    • 8
    • 33

    Partly Sunny

    • 17
    • 26

    Mostly Cloudy

    • 28
    • 37

    Mostly Cloudy

    • 23
    • 36

    Mostly Cloudy

Today 18 Dec Franklin

Mostly cloudy. Rain likely this Morning, then scattered snow Showers this afternoon. Little or no snow accumulation. Very windy with Highs in the upper 30s. Temperature falling to around 17 this afternoon. West Winds 20 to 30 Mph, increasing to 30 to 35 Mph this afternoon. Chance of precipitation 70 percent.

Tonight 18 Dec Franklin

Mostly cloudy with isolated snow Showers in the Evening, then mostly clear after midnight. Windy and much cooler with Lows around 2 above. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of snow 20 percent.

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Sheffield Temperature Statistics

December Temperature

Mason City Municipal Airport (18.6 miles)

  • Lowest 4 December, 2025

    -11.9 °F

  • Average December

    14.8 °F

  • Highest 16 December, 2025

    41 °F

Climate (2020–Present)

Mason City Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.7 °F

  • Average High 2020–2025

    58.3 °F
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