Cooper River - West Branch Cooper River Entrance Weather Forecast

    • 58
    • 73

    Chance Thunderstorms

    • 55
    • 75

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

    • 60
    • 83

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

Today 24 Sep Tidal Berkeley

Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the mid 70s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 24 Sep Tidal Berkeley

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

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Cooper River - West Branch Cooper River Entrance Temperature Statistics

September Temperature

Moncks Corner Berkeley County (9.9 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 (9.9 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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