South Santee River Mouth Weather Forecast

    • 77
    • 85

    Chance Thunderstorms

    • 78
    • 87

    Chance Thunderstorms

    • 76
    • 81

    Chance Thunderstorms

    • 75
    • 80

    Chance Thunderstorms

    • 76
    • 82

    Chance Thunderstorms

    • 74
    • 84

    Slight Chance Thunderstorms

Today 20 Aug Coastal Georgetown

Partly sunny. Highs in the upper 80s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 Aug Coastal Georgetown

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 70s. North Winds 10 to 15 Mph.

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South Santee River Mouth Temperature Statistics

August Temperature

Georgetown County Airport (13.7 miles)

  • Lowest 3 August, 2025

    68 °F

  • Average August

    76.9 °F

  • Highest 1 August, 2025

    95 °F

Climate (2020–Present)

Georgetown County Airport (13.7 miles)

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  • Average Low 2020–2025

    54.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    74.3 °F
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