Black River - Mount Pleasant Plantation Weather Forecast

    • 47
    • 87

    Chance Thunderstorms

    • 42
    • 58

    Mostly Cloudy

    • 49
    • 67

    Slight Chance Rain Showers

    • 56
    • 76

    Mostly Sunny

    • 49
    • 84

    Partly Sunny

    • 40
    • 61

    Mostly Sunny

Today 23 Mar Inland Georgetown

Sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 23 Mar Inland Georgetown

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 40s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

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Black River - Mount Pleasant Plantation Temperature Statistics

March Temperature

Georgetown County Airport (14.9 miles)

  • Lowest 18 March, 2026

    32 °F

  • Average March

    59.9 °F

  • Highest 11 March, 2026

    87.8 °F

Climate (2021–Present)

Georgetown County Airport (14.9 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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