James Island Weather Forecast

    • 76
    • 88

    Rain Showers Likely

    • 76
    • 88

    Rain Showers Likely

    • 75
    • 89

    Rain Showers Likely

    • 76
    • 91

    Chance Thunderstorms

    • 75
    • 91

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

Today 2 Sep Coastal Duval

Partly sunny late this Morning, then becoming mostly cloudy. A chance of Showers. A slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall this afternoon. Highs in the upper 80s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 2 Sep Coastal Duval

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers, mainly in the evening. Lows in the mid 70s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

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James Island Temperature Statistics

September Temperature

Jacksonville Craig Municipal Airport (6.8 miles)

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Climate (2021–2026)

Jacksonville Craig Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    71.1 °F

  • Average High 2021–2026

    80.7 °F
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