South Santee River - Intracoastal Waterway Crossing Weather Forecast

    • 77
    • 92

    Chance Thunderstorms

    • 76
    • 88

    Thunderstorms

    • 75
    • 87

    Thunderstorms Likely

    • 76
    • 88

    Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 78
    • 93

    Slight Chance Thunderstorms

Today 21 Jul Charleston

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 90s. Heat index Values up to 112. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Jul Charleston

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Lows in the upper 70s. Heat index Values up to 108 early in the evening. Southwest Winds 5 to 10 Mph, becoming west after midnight. Chance of rain 40 percent.

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  • Temperature Real-Time

South Santee River - Intracoastal Waterway Crossing Temperature Statistics

July Temperature

Georgetown County Airport (11.2 miles)

  • Lowest 5 July, 2025

    69.8 °F

  • Average July

    78.8 °F

  • Highest 7 July, 2025

    91.4 °F

Climate (2020–Present)

Georgetown County Airport (11.2 miles)

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  • Average Low 2020–2025

    54.7 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    74.3 °F
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