Black River - Francis Marion Estates Weather Forecast

    • 69
    • 85

    Rain Showers Likely

    • 65
    • 82

    Chance Thunderstorms

    • 59
    • 76

    Chance Thunderstorms

    • 56
    • 77

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

Today 22 Sep Inland Georgetown

Mostly cloudy in the Morning, then becoming partly sunny. A chance of Showers with a slight chance of Thunderstorms. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming east around 5 Mph in the afternoon. Chance of rain 50 percent.

Tonight 22 Sep Inland Georgetown

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 50 percent.

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Black River - Francis Marion Estates Temperature Statistics

September Temperature

Georgetown County Airport (15.5 miles)

  • Lowest 16 September, 2026

    62.6 °F

  • Average September

    78 °F

  • Highest 5 September, 2026

    95 °F

Climate (2021–2026)

Georgetown County Airport (15.5 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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