Whitemarsh Island Weather Forecast

    • 70
    • 81

    Rain Showers

    • 68
    • 75

    Rain Showers

    • 64
    • 75

    Rain Showers Likely

    • 62
    • 77

    Mostly Cloudy

    • 65
    • 79

    Mostly Cloudy

    • 68
    • 78

    Rain Showers Likely

Today 4 Oct Coastal Chatham

Mostly cloudy with a chance of Thunderstorms. A chance of Showers this Morning, then Showers likely this afternoon. Highs in the lower 80s. West Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 70 percent.

Tonight 4 Oct Coastal Chatham

Showers with a chance of Thunderstorms. Lows around 70. Light and variable Winds. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Whitemarsh Island Temperature Statistics

October Temperature

Hunter U. S. Army Airfield (7.5 miles)

  • Lowest 1 October, 2026

    70.9 °F

  • Average October

    78.8 °F

  • Highest 2 October, 2026

    88 °F

Climate (2021–2026)

Hunter U. S. Army Airfield (7.5 miles)

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  • Average Low 2021–2026

    59.5 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    78.2 °F
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