Hanahan Weather Forecast

    • 40
    • 58

    Chance Rain Showers

    • 22
    • 48

    Mostly Sunny

    • 37
    • 50

    Mostly Sunny

    • 34
    • 62

    Partly Sunny

    • 27
    • 48

    Mostly Sunny

    • 30
    • 50

    Mostly Sunny

Today 14 Jan Inland Berkeley

Mostly cloudy with a 50 percent chance of Showers. Highs in the upper 50s. West Winds around 5 Mph.

Tonight 14 Jan Inland Berkeley

Mostly cloudy. Lows in the upper 30s. West Winds 5 to 10 Mph, except west 10 to 15 Mph along the lakeshore.

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  • Temperature Real-Time

Hanahan Temperature Statistics

January Temperature

Charleston, Charleston Air Force Base (2.5 miles)

  • Lowest 12 January, 2026

    34 °F

  • Average January

    55.7 °F

  • Highest 9 January, 2026

    79 °F

Climate (2021–Present)

Charleston, Charleston Air Force Base (2.5 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    77.6 °F
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