Sand Island Weather Forecast

    • 76
    • 84

    Chance Thunderstorms

    • 76
    • 83

    Chance Rain Showers

    • 76
    • 84

    Rain Showers Likely

    • 74
    • 82

    Rain Showers Likely

    • 72
    • 81

    Chance Thunderstorms

    • 70
    • 80

    Chance Rain Showers

Today 19 Sep Coastal Georgetown

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. North Winds around 5 Mph, becoming east in the afternoon. Chance of rain 50 percent.

Tonight 19 Sep Coastal Georgetown

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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Sand Island Temperature Statistics

September Temperature

Georgetown County Airport (11.2 miles)

  • Lowest 16 September, 2026

    62.6 °F

  • Average September

    78.5 °F

  • Highest 5 September, 2026

    95 °F

Climate (2021–2026)

Georgetown County Airport (11.2 miles)

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  • Average Low 2021–2026

    54.7 °F

  • Average 2021–2026

    64.1 °F

  • Average High 2021–2026

    74.5 °F
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