Black River - Mount Pleasant Plantation Weather Forecast

    • 53
    • 79

    Sunny

    • 55
    • 82

    Mostly Sunny

    • 60
    • 85

    Sunny

    • 64
    • 87

    Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

Today 26 Sep Inland Georgetown

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 26 Sep Inland Georgetown

Clear. Lows in the lower 50s. Northwest Winds around 5 Mph.

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Black River - Mount Pleasant Plantation Temperature Statistics

September Temperature

Georgetown County Airport (14.9 miles)

  • Lowest 24 September, 2026

    60.8 °F

  • Average September

    77 °F

  • Highest 5 September, 2026

    95 °F

Climate (2021–2026)

Georgetown County Airport (14.9 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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