North Dewees Island Weather Forecast

    • 76
    • 93

    Rain Showers

    • 75
    • 88

    Rain Showers

    • 77
    • 88

    Chance Thunderstorms

    • 78
    • 89

    Slight Chance Thunderstorms

    • 79
    • 91

    Slight Chance Thunderstorms

    • 79
    • 91

    Chance Thunderstorms

Today 12 Jul Charleston

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. Heat index Values up to 112. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 12 Jul Charleston

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the mid 70s. Heat index Values up to 106 early in the evening. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming west after midnight. Chance of rain 70 percent.

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North Dewees Island Temperature Statistics

July Temperature

Mount Pleasant Regional-Faison Field (5.6 miles)

  • Lowest 2 July, 2026

    69.8 °F

  • Average July

    83.5 °F

  • Highest 8 July, 2026

    96.8 °F

Climate (2021–2026)

Mount Pleasant Regional-Faison Field (5.6 miles)

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  • Average Low 2021–2026

    58.3 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    75.5 °F
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