Whitemarsh Island Weather Forecast

    • 79
    • 96

    Becoming Sunny

    • 78
    • 97

    Chance Thunderstorms

    • 80
    • 94

    Slight Chance Thunderstorms

    • 79
    • 93

    Mostly Sunny

    • 77
    • 91

    Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

Today 17 Aug Coastal Chatham

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 90s. Heat index Values up to 114. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 17 Aug Coastal Chatham

Partly cloudy in the Evening, then becoming mostly clear. Lows around 80. Heat index Values up to 108 early in the evening. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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Whitemarsh Island Temperature Statistics

August Temperature

Hunter U. S. Army Airfield (7.5 miles)

  • Lowest 13 August, 2026

    74.8 °F

  • Average August

    82.1 °F

  • Highest 15 August, 2026

    97.7 °F

Climate (2021–2026)

Hunter U. S. Army Airfield (7.5 miles)

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  • Average Low 2021–2026

    59.4 °F

  • Average 2021–2026

    68.2 °F

  • Average High 2021–2026

    78.1 °F
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