Charleston Harbor - Fort Sumter Weather Forecast

    • 60
    • 66

    Rain Showers

    • 50
    • 69

    Rain Showers Likely

    • 46
    • 60

    Mostly Sunny

    • 44
    • 60

    Mostly Sunny

    • 44
    • 56

    Partly Sunny

    • 49
    • 59

    Partly Sunny

Today 14 Dec Charleston

Showers. Highs in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 14 Dec Charleston

A slight chance of Thunderstorms in the evening. Showers. Lows around 60. South Winds 10 to 15 Mph. Chance of rain near 100 percent.

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Charleston Harbor - Fort Sumter Temperature Statistics

December Temperature

Charleston Executive Airport (8.1 miles)

  • Lowest 12 December, 2018

    30.2 °F
  • Average December

    49.9 °F
  • Highest 3 December, 2018

    73.4 °F

Climate (2010–Present)

Charleston Executive Airport (8.1 miles)

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  • Average Low 2010–Present

    59.3 °F
  • Average 2010–Present

    67.6 °F
  • Average High 2010–Present

    76 °F
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