Cape Island Weather Forecast

    • 24
    • 59

    Chance Rain Showers

    • 32
    • 40

    Mostly Sunny

    • 43
    • 52

    Mostly Sunny

    • 50
    • 60

    Mostly Cloudy

    • 54
    • 63

    Chance Rain Showers

    • 46
    • 63

    Mostly Sunny

Today 14 Dec Charleston

Mostly sunny. A slight chance of Showers this morning. Highs in the lower 60s. Temperature falling to around 50 this afternoon. West Winds 10 to 15 Mph, becoming north with Gusts up to 30 Mph this afternoon. Chance of rain 20 percent.

Tonight 14 Dec Charleston

Mostly clear. Much cooler with Lows in the lower 20s. Wind chill Values as low as 11. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Island Temperature Statistics

December Temperature

Georgetown County Airport (18 miles)

  • Lowest 9 December, 2025

    26.6 °F

  • Average December

    44.2 °F

  • Highest 10 December, 2025

    59 °F

Climate (2020–Present)

Georgetown County Airport (18 miles)

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  • Average Low 2020–2025

    54.5 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    74.1 °F
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