Alder Island Weather Forecast

    • 41
    • 44

    Cloudy

    • 47
    • 52

    Rain Showers

    • 33
    • 51

    Rain Showers Likely

    • 34
    • 40

    Partly Sunny

    • 40
    • 43

    Partly Sunny

    • 44
    • 50

    Mostly Cloudy

    • 42
    • 49

    Chance Rain

Today 25 Mar Southern Nassau

Partly sunny. Near steady temperature in the upper 40s. South Winds 10 to 15 Mph.

Tonight 25 Mar Southern Nassau

Mostly cloudy. Lows in the lower 40s. South Winds 10 to 15 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

    42.1 °F

  • Highest 9 March, 2026

    67.6 °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

    56.1 °F

  • Average High 2021–2026

    63.5 °F
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