James Island Weather Forecast

    • 77
    • 91

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

    • 77
    • 89

    Chance Thunderstorms

    • 76
    • 89

    Thunderstorms Likely

    • 76
    • 90

    Thunderstorms Likely

    • 77
    • 91

    Chance Thunderstorms

Today 29 Jun Charleston

Sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs around 90. West Winds around 5 Mph, becoming south with Gusts up to 20 Mph in the afternoon. Chance of rain 40 percent.

Tonight 29 Jun Charleston

Mostly clear. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

James Island Temperature Statistics

June Temperature

Charleston Executive Airport (4.3 miles)

  • Lowest 2 June, 2025

    64.4 °F

  • Average June

    81 °F

  • Highest 24 June, 2025

    96.8 °F

Climate (2020–Present)

Charleston Executive Airport (4.3 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    76.1 °F
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