Alder Island Weather Forecast

    • 51
    • 58

    Breezy

    • 50
    • 58

    Rain Showers

    • 52
    • 60

    Chance Rain Showers

    • 56
    • 64

    Mostly Sunny

    • 56
    • 69

    Partly Sunny

    • 56
    • 65

    Partly Sunny

Today 13 May Southern Nassau

Mostly cloudy and windy. Highs in the mid 60s. South Winds 15 to 20 Mph with Gusts up to 35 Mph, increasing to 20 to 30 Mph with Gusts up to 45 Mph in the afternoon.

Tonight 13 May Southern Nassau

A slight chance of Showers in the Evening, then Showers after midnight. Patchy fog after midnight. Breezy with Lows in the lower 50s. South Winds 20 to 25 Mph with Gusts up to 45 Mph, Diminishing to 10 to 15 Mph with Gusts up to 30 Mph after midnight. Chance of rain 90 percent.

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Alder Island Temperature Statistics

May Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 3 May, 2026

    46.7 °F

  • Average May

    57.3 °F

  • Highest 4 May, 2026

    66.7 °F

Climate (2021–Present)

New York, Kennedy International Airport (9.9 miles)

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  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    63.5 °F
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