Black River - Mount Pleasant Plantation Weather Forecast

    • 70
    • 92

    Slight Chance Thunderstorms

    • 70
    • 90

    Rain Showers

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 69
    • 87

    Rain Showers Likely

    • 67
    • 84

    Chance Thunderstorms

Today 18 Sep Inland Georgetown

Sunny. Highs in the lower 90s. West Winds around 5 Mph.

Tonight 18 Sep Inland Georgetown

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Black River - Mount Pleasant Plantation Temperature Statistics

September Temperature

Georgetown County Airport (14.9 miles)

  • Lowest 9 September, 2026

    68 °F

  • Average September

    78.8 °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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