Ashley River - Duck Island Weather Forecast

    • 45
    • 59

    Mostly Sunny

    • 52
    • 65

    Mostly Sunny

    • 22
    • 63

    Slight Chance Rain Showers

    • 28
    • 41

    Sunny

    • 37
    • 53

    Mostly Sunny

    • 48
    • 60

    Mostly Cloudy

Today 12 Dec Charleston

Sunny. Highs in the upper 50s. Southwest Winds 5 to 10 Mph.

Tonight 12 Dec Charleston

Mostly clear. Lows in the mid 40s. Southwest Winds 5 to 10 Mph.

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Ashley River - Duck Island Temperature Statistics

December Temperature

Charleston, Charleston Air Force Base (6.2 miles)

  • Lowest 9 December, 2025

    28 °F

  • Average December

    47.2 °F

  • Highest 10 December, 2025

    57.9 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (6.2 miles)

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  • Average Low 2020–2025

    58.1 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    77.5 °F
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