Cooper River - Dupont Weather Forecast

    • 68
    • 88

    Increasing Clouds

    • 67
    • 88

    Mostly Sunny

    • 68
    • 87

    Mostly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

    • 69
    • 84

    Slight Chance Thunderstorms

    • 70
    • 85

    Chance Thunderstorms

Today 18 Sep Tidal Berkeley

Mostly sunny. Highs in the upper 80s. Light and variable Winds, becoming south 5 to 10 Mph with Gusts up to 20 Mph this afternoon.

Tonight 18 Sep Tidal Berkeley

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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Cooper River - Dupont Temperature Statistics

September Temperature

Moncks Corner Berkeley County (10.6 miles)

  • Lowest 1 September, 2025

    60.8 °F

  • Average September

    72.6 °F

  • Highest 6 September, 2025

    91.4 °F

Climate (2020–Present)

Moncks Corner Berkeley County (10.6 miles)

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  • Average Low 2020–2025

    55.3 °F

  • Average 2020–2025

    64.5 °F

  • Average High 2020–2025

    75.1 °F
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