Crofton Weather Forecast

    • 29
    • 51

    Decreasing Clouds

    • 28
    • 52

    Chance Rain

    • 11
    • 33

    Windy

    • 28
    • 46

    Mostly Cloudy

    • 21
    • 37

    Partly Sunny

    • 27
    • 38

    Mostly Cloudy

Today 16 Dec Knox

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

Tonight 16 Dec Knox

Partly cloudy. Lows in the upper 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight.

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Crofton Temperature Statistics

December Temperature

Yankton, Chan Gurney Municipal Airport (13.7 miles)

  • Lowest 14 December, 2025

    -13 °F

  • Average December

    20.6 °F

  • Highest 9 December, 2025

    46.9 °F

Climate (2020–Present)

Yankton, Chan Gurney Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    50.2 °F

  • Average High 2020–2025

    61.3 °F
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