Isle of Palms Weather Forecast

    • 75
    • 85

    Chance Rain Showers

    • 75
    • 86

    Rain Showers Likely

    • 73
    • 82

    Chance Thunderstorms

    • 70
    • 79

    Mostly Sunny

    • 69
    • 81

    Partly Sunny

    • 69
    • 82

    Partly Sunny

Today 22 Sep Coastal Duval

Mostly sunny. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 80s. North Winds 5 to 10 Mph, becoming northeast in the afternoon. Chance of rain 40 percent.

Tonight 22 Sep Coastal Duval

Partly cloudy. A slight chance of Showers after midnight. Lows in the mid 70s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle of Palms Temperature Statistics

September Temperature

Jacksonville Craig Municipal Airport (6.2 miles)

  • Lowest 19 September, 2026

    72 °F

  • Average September

    82.6 °F

  • Highest 6 September, 2026

    92.6 °F

Climate (2021–2026)

Jacksonville Craig Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    62.4 °F

  • Average 2021–2026

    71.2 °F

  • Average High 2021–2026

    80.8 °F
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