West Branch Cooper River - Mepkin Weather Forecast

    • 66
    • 87

    Becoming Sunny

    • 65
    • 86

    Sunny

    • 69
    • 88

    Mostly Sunny

    • 70
    • 90

    Slight Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

Today 15 Sep Inland Berkeley

Mostly sunny. Highs in the upper 80s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 15 Sep Inland Berkeley

Partly cloudy in the Evening, then clearing. Lows in the upper 60s. Northeast Winds around 5 Mph.

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West Branch Cooper River - Mepkin Temperature Statistics

September Temperature

Moncks Corner Berkeley County (6.2 miles)

  • Lowest 8 September, 2026

    68 °F

  • Average September

    78.7 °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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