South Dewees Island Weather Forecast

    • 31
    • 48

    Mostly Sunny

    • 42
    • 51

    Partly Sunny

    • 52
    • 61

    Mostly Cloudy

    • 52
    • 65

    Rain Showers Likely

    • 48
    • 63

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

Today 23 Feb Charleston

Sunny, cooler with Highs in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Feb Charleston

Mostly clear. Lows in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Dewees Island Temperature Statistics

February Temperature

Mount Pleasant Regional-Faison Field (5 miles)

  • Lowest 1 February, 2026

    21.2 °F

  • Average February

    49.1 °F

  • Highest 20 February, 2026

    78.8 °F

Climate (2021–Present)

Mount Pleasant Regional-Faison Field (5 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    75.4 °F
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