Hanahan Weather Forecast

    • 79
    • 97

    Slight Chance Thunderstorms

    • 78
    • 98

    Chance Thunderstorms

    • 75
    • 91

    Thunderstorms

    • 74
    • 88

    Thunderstorms Likely

    • 76
    • 89

    Thunderstorms Likely

    • 77
    • 92

    Chance Thunderstorms

Today 20 Jul Inland Berkeley

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. Heat index Values up to 110. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Jul Inland Berkeley

Partly cloudy in the Evening, then becoming mostly clear. Lows in the upper 70s. Heat index Values up to 106 early in the evening. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hanahan Temperature Statistics

July Temperature

Charleston, Charleston Air Force Base (2.5 miles)

  • Lowest 11 July, 2025

    71.7 °F

  • Average July

    81.4 °F

  • Highest 7 July, 2025

    94.6 °F

Climate (2020–Present)

Charleston, Charleston Air Force Base (2.5 miles)

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  • Average Low 2020–2025

    58.4 °F

  • Average 2020–2025

    67.4 °F

  • Average High 2020–2025

    77.7 °F
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