Oak Island Weather Forecast

    • 64
    • 67

    Rain Showers Likely

    • 60
    • 75

    Chance Rain Showers

    • 56
    • 68

    Mostly Sunny

    • 60
    • 65

    Partly Sunny

    • 62
    • 68

    Slight Chance Rain Showers

    • 57
    • 69

    Partly Sunny

Today 9 Sep Coastal Cumberland

Cloudy. Highs in the lower 70s. East Winds around 10 Mph, becoming southeast with Gusts up to 20 Mph in the afternoon.

Tonight 9 Sep Coastal Cumberland

Showers likely. A slight chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Island Temperature Statistics

September Temperature

Wiscasset Airport (18 miles)

  • Lowest 1 September, 2026

    51.1 °F

  • Average September

    65.8 °F

  • Highest 4 September, 2026

    82 °F

Climate (2021–2026)

Wiscasset Airport (18 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58.1 °F
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