Cape Romain Harbor - Mill Island Weather Forecast

    • 65
    • 76

    Chance Thunderstorms

    • 64
    • 73

    Partly Sunny

    • 65
    • 73

    Mostly Sunny

    • 67
    • 75

    Partly Sunny

    • 68
    • 76

    Partly Sunny

    • 69
    • 77

    Slight Chance Rain Showers

Today 26 Apr Charleston

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s, except in the upper 70s near the coast. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 26 Apr Charleston

Mostly clear. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Romain Harbor - Mill Island Temperature Statistics

April Temperature

Georgetown County Airport (19.3 miles)

  • Lowest 13 April, 2025

    41 °F

  • Average April

    65.1 °F

  • Highest 4 April, 2025

    84.2 °F

Climate (2020–Present)

Georgetown County Airport (19.3 miles)

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  • Average Low 2020–2025

    54.6 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    74.2 °F
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