South Dewees Island Weather Forecast

    • 64
    • 76

    Mostly Cloudy

    • 46
    • 70

    Rain Showers

    • 55
    • 67

    Mostly Sunny

    • 60
    • 71

    Partly Sunny

    • 62
    • 73

    Rain Showers Likely

    • 41
    • 71

    Chance Rain Showers

Today 11 Mar Charleston

Mostly sunny. Highs in the mid 80s, except in the upper 70s near the coast. Southwest Winds around 5 Mph, increasing to 10 to 15 Mph in the afternoon.

Tonight 11 Mar Charleston

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Dewees Island Temperature Statistics

March Temperature

Mount Pleasant Regional-Faison Field (5 miles)

  • Lowest 2 March, 2026

    46.4 °F

  • Average March

    62.8 °F

  • Highest 8 March, 2026

    80.6 °F

Climate (2021–Present)

Mount Pleasant Regional-Faison Field (5 miles)

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  • Average Low 2021–2026

    58.3 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    75.4 °F
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