South Santee River Mouth Weather Forecast

    • 67
    • 72

    Mostly Sunny

    • 69
    • 72

    Partly Sunny

    • 53
    • 73

    Slight Chance Thunderstorms

    • 55
    • 64

    Mostly Sunny

    • 59
    • 65

    Mostly Sunny

    • 62
    • 69

    Mostly Sunny

Today 17 Apr Coastal Georgetown

Sunny. Highs in the mid 80s. Southwest Winds 5 to 10 Mph.

Tonight 17 Apr Coastal Georgetown

Mostly clear. Near steady temperature in the mid 60s. Southwest Winds 5 to 10 Mph.

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South Santee River Mouth Temperature Statistics

April Temperature

Georgetown County Airport (13.7 miles)

  • Lowest 9 April, 2026

    42.8 °F

  • Average April

    63.7 °F

  • Highest 5 April, 2026

    82.4 °F

Climate (2021–Present)

Georgetown County Airport (13.7 miles)

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  • Average Low 2021–2026

    54.5 °F

  • Average 2021–2026

    63.9 °F

  • Average High 2021–2026

    74.2 °F
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