Sullivan's Island Weather Forecast

    • 78
    • 86

    Chance Thunderstorms

    • 79
    • 87

    Slight Chance Thunderstorms

    • 79
    • 88

    Slight Chance Thunderstorms

    • 79
    • 88

    Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

    • 78
    • 87

    Chance Thunderstorms

Today 16 Jun Charleston

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 16 Jun Charleston

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Southwest Winds 10 to 15 Mph. Chance of rain 20 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 2 June, 2025

    64.4 °F

  • Average June

    78.7 °F

  • Highest 7 June, 2025

    93.2 °F

Climate (2020–Present)

Mount Pleasant Regional-Faison Field (9.3 miles)

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  • Average Low 2020–2025

    58.5 °F

  • Average 2020–2025

    66.5 °F

  • Average High 2020–2025

    75.4 °F
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