Hanahan Weather Forecast

    • 67
    • 90

    Chance Thunderstorms

    • 67
    • 80

    Chance Thunderstorms

    • 68
    • 79

    Chance Thunderstorms

    • 67
    • 81

    Chance Thunderstorms

    • 66
    • 84

    Partly Sunny

    • 65
    • 84

    Mostly Sunny

Today 7 Sep Inland Berkeley

Partly sunny. Thunderstorms likely with a chance of Showers this afternoon. Highs in the upper 80s. Light and variable Winds, becoming northeast around 5 Mph this afternoon. Chance of rain 60 percent.

Tonight 7 Sep Inland Berkeley

Mostly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the mid 60s, except in the upper 60s near lake Moultrie. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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Hanahan Temperature Statistics

September Temperature

Charleston, Charleston Air Force Base (2.5 miles)

  • Lowest 1 September, 2025

    63 °F

  • Average September

    74.6 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (2.5 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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