Charleston Harbor - Fort Sumter Weather Forecast

    • 61
    • 71

    Slight Chance Rain Showers

    • 67
    • 75

    Rain Showers

    • 65
    • 74

    Partly Sunny

    • 69
    • 75

    Chance Rain Showers

    • 59
    • 79

    Chance Rain Showers

    • 59
    • 71

    Mostly Sunny

    • 66
    • 73

    Partly Sunny

Today 18 Oct Charleston

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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Charleston Harbor - Fort Sumter Temperature Statistics

October Temperature

Charleston Executive Airport (8.1 miles)

  • Lowest 12 October, 2019

    57.2 °F
  • Average October

    74.1 °F
  • Highest 2 October, 2019

    89.6 °F

Climate (2010–Present)

Charleston Executive Airport (8.1 miles)

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  • Average Low 2010–Present

    59.9 °F
  • Average 2010–Present

    68.2 °F
  • Average High 2010–Present

    76.6 °F
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