South Dewees Island Weather Forecast

    • 56
    • 73

    Sunny

    • 57
    • 69

    Mostly Sunny

    • 63
    • 73

    Mostly Sunny

    • 62
    • 76

    Partly Sunny

    • 60
    • 73

    Mostly Sunny

    • 63
    • 75

    Mostly Sunny

Today 16 Oct Charleston

Sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Oct Charleston

Clear. Lows in the lower 50s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

South Dewees Island Temperature Statistics

October Temperature

Mount Pleasant Regional-Faison Field (5 miles)

  • Lowest 14 October, 2025

    57.2 °F

  • Average October

    69 °F

  • Highest 6 October, 2025

    84.2 °F

Climate (2020–Present)

Mount Pleasant Regional-Faison Field (5 miles)

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  • Average Low 2020–2025

    58.5 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    75.4 °F
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