Alder Island Weather Forecast

    • 26
    • 38

    Decreasing Clouds

    • 31
    • 37

    Decreasing Clouds

    • 36
    • 42

    Partly Sunny

    • 40
    • 46

    Chance Rain

    • 40
    • 47

    Chance Rain

    • 39
    • 49

    Chance Rain

    • 32
    • 47

    Mostly Sunny

Today 17 Mar Southern Nassau

Mostly sunny and breezy. Highs in the lower 40s. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 17 Mar Southern Nassau

Mostly cloudy this Evening, then clearing. Scattered Flurries this evening. Lows in the mid 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Island Temperature Statistics

March Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    41.4 °F

  • Highest 9 March, 2026

    66.9 °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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