Sullivan's Island Weather Forecast

    • 79
    • 83

    Rain Showers Likely

    • 78
    • 88

    Chance Thunderstorms

    • 77
    • 86

    Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 79
    • 86

    Partly Sunny

    • 80
    • 88

    Slight Chance Thunderstorms

Today 17 Jun Charleston

Thunderstorms likely. Showers likely. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 17 Jun Charleston

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan's Island Temperature Statistics

June Temperature

Mount Pleasant Regional-Faison Field (9.3 miles)

  • Lowest 3 June, 2026

    55.4 °F

  • Average June

    77.1 °F

  • Highest 12 June, 2026

    95 °F

Climate (2021–2026)

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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