Cooper River - Back River Entrance Weather Forecast

    • 70
    • 88

    Increasing Clouds

    • 68
    • 88

    Mostly Sunny

    • 68
    • 86

    Mostly Sunny

    • 69
    • 85

    Slight Chance Thunderstorms

    • 70
    • 85

    Chance Rain Showers

    • 70
    • 86

    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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cooper River - Back River Entrance Temperature Statistics

September Temperature

Charleston, Charleston Air Force Base (8.1 miles)

  • Lowest 15 September, 2025

    60.1 °F

  • Average September

    73.6 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (8.1 miles)

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  • Average Low 2020–2025

    58.3 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    77.6 °F
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