South Dewees Island Weather Forecast

    • 51
    • 69

    Sunny

    • 54
    • 75

    Sunny

    • 52
    • 75

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

    • 55
    • 71

    Mostly Sunny

Today 19 Oct Charleston

Sunny. Highs in the upper 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 19 Oct Charleston

Clear. Lows in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Dewees Island Temperature Statistics

October Temperature

Mount Pleasant Regional-Faison Field (5 miles)

  • Lowest 8 October, 2026

    62.6 °F

  • Average October

    73.5 °F

  • Highest 2 October, 2026

    89.6 °F

Climate (2021–2026)

Mount Pleasant Regional-Faison Field (5 miles)

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  • Average Low 2021–2026

    58.4 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    75.6 °F
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