West Branch Cooper River - Mepkin Weather Forecast

    • 66
    • 81

    Mostly Cloudy

    • 58
    • 73

    Chance Thunderstorms

    • 55
    • 75

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 23 Sep Inland Berkeley

Partly sunny. Highs around 80. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 23 Sep Inland Berkeley

Mostly cloudy. Lows in the mid 60s. North Winds 5 to 10 Mph, except north 15 to 20 Mph along the lakeshore.

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West Branch Cooper River - Mepkin Temperature Statistics

September Temperature

Moncks Corner Berkeley County (6.2 miles)

  • Lowest 16 September, 2026

    64.4 °F

  • Average September

    78.2 °F

  • Highest 2 September, 2026

    93.2 °F

Climate (2021–2026)

Moncks Corner Berkeley County (6.2 miles)

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  • Average Low 2021–2026

    55.4 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    75.5 °F
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