Charleston Harbor - Fort Sumter Weather Forecast

    • 56
    • 76

    Severe Tstms

    • 54
    • 66

    Partly Sunny

    • 57
    • 71

    Sunny

    • 61
    • 76

    Sunny

    • 63
    • 77

    Mostly Sunny

    • 67
    • 76

    Mostly Sunny

Today 19 Apr Charleston

A chance of Showers and Thunderstorms in the Morning, then Showers and Thunderstorms in the afternoon. Highs in the upper 70s. Windy. South Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 19 Apr Charleston

Mostly cloudy with Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Cooler with Lows in the mid 50s. Breezy and less humid. Southwest Winds 15 to 25 Mph. Gusts up to 40 Mph in the evening. Chance of rain 90 percent.

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Charleston Harbor - Fort Sumter Temperature Statistics

April Temperature

Charleston Executive Airport (8.1 miles)

  • Lowest 3 April, 2019

    37.4 °F
  • Average April

    64.9 °F
  • Highest 9 April, 2019

    80.6 °F

Climate (2010–Present)

Charleston Executive Airport (8.1 miles)

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  • Average Low 2010–Present

    58.1 °F
  • Average 2010–Present

    66.4 °F
  • Average High 2010–Present

    75 °F
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