Cape Island Weather Forecast

    • 76
    • 89

    Decreasing Clouds

    • 77
    • 87

    Mostly Sunny

    • 80
    • 87

    Mostly Sunny

    • 79
    • 86

    Rain Showers Likely

    • 78
    • 85

    Rain Showers

    • 79
    • 86

    Chance Thunderstorms

Today 29 Jul Charleston

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Heat index Values up to 111. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 29 Jul Charleston

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. Heat index Values up to 106 early in the evening. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Island Temperature Statistics

July Temperature

Georgetown County Airport (18 miles)

  • Lowest 2 July, 2026

    68 °F

  • Average July

    81 °F

  • Highest 8 July, 2026

    96.8 °F

Climate (2021–2026)

Georgetown County Airport (18 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    64 °F

  • Average High 2021–2026

    74.3 °F
Get WillyWeather+ to remove ads