Charleston Harbor - Patriots Point Weather Forecast

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    Chance Rain Showers

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    Chance Rain Showers

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    Chance Thunderstorms

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    • 86

    Chance Thunderstorms

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    • 86

    Chance Thunderstorms

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    • 86

    Chance Thunderstorms

Today 8 Sep Charleston

Mostly sunny. A slight chance of Showers this morning. Highs in the mid 80s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 8 Sep Charleston

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the mid 70s. East Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northeast 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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Charleston Harbor - Patriots Point Temperature Statistics

September Temperature

Charleston Executive Airport (8.1 miles)

  • Lowest 1 September, 2026

    75.2 °F

  • Average September

    82.9 °F

  • Highest 2 September, 2026

    91.4 °F

Climate (2021–2026)

Charleston Executive Airport (8.1 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    76.3 °F
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