North Santee River Mouth Weather Forecast

    • 79
    • 92

    Chance Thunderstorms

    • 79
    • 92

    Partly Sunny

    • 80
    • 95

    Mostly Sunny

    • 79
    • 94

    Slight Chance Thunderstorms

    • 79
    • 91

    Slight Chance Thunderstorms

    • 79
    • 91

    Slight Chance Thunderstorms

Today 15 Aug Coastal Georgetown

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds around 5 Mph, becoming south this afternoon. Chance of rain 50 percent. Heat index Values up to 112.

Tonight 15 Aug Coastal Georgetown

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Humid with Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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North Santee River Mouth Temperature Statistics

August Temperature

Georgetown County Airport (11.8 miles)

  • Lowest 2 August, 2026

    71.6 °F

  • Average August

    78.6 °F

  • Highest 11 August, 2026

    95 °F

Climate (2021–2026)

Georgetown County Airport (11.8 miles)

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  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    74.4 °F
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