Charleston Weather Forecast

    • 24
    • 28

    Snow

    • 10
    • 28

    Mostly Cloudy

    • -8
    • 14

    Snow

    • -2
    • 6

    Cold

    • 17
    • 33

    Partly Sunny

    • 30
    • 38

    Mostly Cloudy

Today 11 Dec Lee

Snow with a slight chance of freezing rain this afternoon. Snow accumulation around an inch. Highs in the upper 20s. Southwest Winds around 5 Mph, becoming southeast this afternoon. Chance of precipitation near 100 percent.

Tonight 11 Dec Lee

Snow with a slight chance of freezing rain in the Evening, then a slight chance of snow after midnight. Additional snow accumulation around an inch. Ice accumulation around a trace. Near steady temperature in the upper 20s. East Winds 5 to 10 Mph, becoming northeast after midnight. Chance of precipitation near 100 percent.

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Charleston Temperature Statistics

December Temperature

Keokuk Municipal Airport (9.9 miles)

  • Lowest 4 December, 2025

    3.2 °F

  • Average December

    25.2 °F

  • Highest 9 December, 2025

    46.4 °F

Climate (2020–Present)

Keokuk Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.1 °F

  • Average High 2020–2025

    62.6 °F
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