Sullivan's Island Weather Forecast

    • 52
    • 63

    Breezy

    • 56
    • 67

    Partly Sunny

    • 57
    • 70

    Mostly Sunny

    • 61
    • 74

    Mostly Sunny

    • 64
    • 74

    Mostly Sunny

    • 65
    • 74

    Partly Sunny

Today 8 Apr Charleston

Mostly sunny. Highs in the mid 60s. Breezy. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 8 Apr Charleston

Mostly cloudy. Lows in the upper 40s. Northeast Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan's Island Temperature Statistics

April Temperature

Mount Pleasant Regional-Faison Field (9.3 miles)

  • Lowest 1 April, 2026

    59 °F

  • Average April

    69.9 °F

  • Highest 5 April, 2026

    80.6 °F

Climate (2021–Present)

Mount Pleasant Regional-Faison Field (9.3 miles)

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  • Average Low 2021–2026

    58.3 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    75.4 °F
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