Thornton Weather Forecast

    • 29
    • 54

    Increasing Clouds

    • 24
    • 43

    Partly Sunny

    • 31
    • 42

    Mostly Cloudy

    • 18
    • 51

    Mostly Cloudy

    • 12
    • 28

    Mostly Cloudy

    • 12
    • 27

    Mostly Cloudy

Today 30 Jan Cerro Gordo

Mostly sunny. Highs in the mid 50s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph this afternoon.

Tonight 30 Jan Cerro Gordo

Mostly cloudy in the Evening, then clearing. Lows in the upper 20s. Northeast Winds 5 to 10 Mph.

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Thornton Temperature Statistics

January Temperature

Mason City Municipal Airport (14.3 miles)

  • Lowest 20 January, 2025

    -17.2 °F

  • Average January

    14.6 °F

  • Highest 17 January, 2025

    46.7 °F

Climate (2020–Present)

Mason City Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    36.9 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    57.9 °F
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