Alder Island Weather Forecast

    • 59
    • 64

    Rain Showers

    • 51
    • 68

    Mostly Sunny

    • 55
    • 63

    Sunny

    • 59
    • 67

    Mostly Sunny

    • 59
    • 70

    Mostly Sunny

    • 58
    • 68

    Partly Sunny

Today 4 Oct Southern Nassau

Cloudy. A slight chance of Showers, then Showers this afternoon. Highs in the mid 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 4 Oct Southern Nassau

Mostly cloudy. Showers likely in the evening. Lows in the upper 50s. Northeast Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 70 percent.

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Alder Island Temperature Statistics

October Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 1 October, 2026

    64 °F

  • Average October

    69.8 °F

  • Highest 2 October, 2026

    81 °F

Climate (2021–2026)

New York, Kennedy International Airport (9.9 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    63.6 °F
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