Wilmington River - Whitemarsh Island Weather Forecast

    • 74
    • 89

    Slight Chance Thunderstorms

    • 74
    • 86

    Chance Thunderstorms

    • 74
    • 86

    Chance Thunderstorms

    • 73
    • 86

    Rain Showers Likely

    • 71
    • 84

    Chance Thunderstorms

    • 70
    • 83

    Slight Chance Thunderstorms

Today 19 Sep Coastal Chatham

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph, becoming east in the afternoon. Chance of rain 20 percent.

Tonight 19 Sep Coastal Chatham

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wilmington River - Whitemarsh Island Temperature Statistics

September Temperature

Hunter U. S. Army Airfield (7.5 miles)

  • Lowest 16 September, 2026

    73.8 °F

  • Average September

    82.1 °F

  • Highest 6 September, 2026

    94.5 °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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