Charleston Harbor - Hog Island Channel Weather Forecast

    • 67
    • 80

    Slight Chance Thunderstorms

    • 68
    • 78

    Chance Thunderstorms

    • 68
    • 80

    Slight Chance Thunderstorms

    • 68
    • 82

    Partly Sunny

    • 68
    • 82

    Partly Sunny

    • 67
    • 81

    Partly Sunny

Today 8 Sep Charleston

Partly sunny. Highs in the lower 80s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 8 Sep Charleston

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 60s. North Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Charleston Harbor - Hog Island Channel Temperature Statistics

September Temperature

Charleston Executive Airport (8.7 miles)

  • Lowest 1 September, 2025

    64.4 °F

  • Average September

    75.5 °F

  • Highest 5 September, 2025

    87.8 °F

Climate (2020–Present)

Charleston Executive Airport (8.7 miles)

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  • Average Low 2020–2025

    59.1 °F

  • Average 2020–2025

    67.3 °F

  • Average High 2020–2025

    76.1 °F
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