South Santee River Mouth Weather Forecast

    • 66
    • 79

    Chance Thunderstorms

    • 63
    • 72

    Chance Thunderstorms

    • 65
    • 72

    Chance Rain Showers

    • 64
    • 71

    Chance Rain Showers

    • 62
    • 73

    Partly Sunny

    • 63
    • 74

    Partly Sunny

Today 8 Oct Coastal Georgetown

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. South Winds around 5 Mph. Chance of rain 40 percent.

Tonight 8 Oct Coastal Georgetown

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the lower 60s. Southeast Winds around 5 Mph, increasing to northeast 10 to 15 Mph with Gusts up to 30 Mph after midnight. Chance of rain 50 percent.

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South Santee River Mouth Temperature Statistics

October Temperature

Georgetown County Airport (13.7 miles)

  • Lowest 2 October, 2025

    55.4 °F

  • Average October

    70.7 °F

  • Highest 1 October, 2025

    80.6 °F

Climate (2020–Present)

Georgetown County Airport (13.7 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    74.3 °F
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