Alder Island Weather Forecast

    • 47
    • 56

    Rain Showers

    • 45
    • 59

    Rain Showers

    • 46
    • 59

    Partly Sunny

    • 44
    • 53

    Partly Sunny

    • 46
    • 55

    Partly Sunny

    • 48
    • 56

    Partly Sunny

Today 29 Apr Southern Nassau

Mostly sunny in the Morning, then becoming mostly cloudy. Highs in the upper 50s. Southeast Winds 10 to 15 Mph.

Tonight 29 Apr Southern Nassau

Showers in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Island Temperature Statistics

April Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 8 April, 2026

    30.7 °F

  • Average April

    54.1 °F

  • Highest 14 April, 2026

    80.7 °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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