Alder Island Weather Forecast

    • 35
    • 43

    Mostly Sunny

    • 41
    • 45

    Mostly Sunny

    • 46
    • 51

    Partly Sunny

    • 42
    • 56

    Mostly Sunny

    • 46
    • 51

    Mostly Cloudy

    • 53
    • 61

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

Today 8 Apr Southern Nassau

Sunny. Highs in the upper 40s. Southeast Winds 5 to 10 Mph.

Tonight 8 Apr Southern Nassau

Clear. Areas of frost after midnight. Lows in the mid 30s. Southeast Winds 5 to 10 Mph.

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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 4 April, 2026

    41 °F

  • Average April

    52.1 °F

  • Highest 1 April, 2026

    78.7 °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

    56.1 °F

  • Average High 2021–2026

    63.5 °F
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