Alder Island Weather Forecast

    • 54
    • 63

    Decreasing Clouds

    • 54
    • 67

    Chance Rain Showers

    • 55
    • 65

    Mostly Cloudy

    • 52
    • 65

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

    • 42
    • 60

    Chance Rain Showers

Today 14 Apr Southern Nassau

Mostly sunny. Highs in the mid 70s. Southwest Winds around 5 Mph, becoming south 10 to 15 Mph in the afternoon.

Tonight 14 Apr Southern Nassau

Partly cloudy. A slight chance of Showers in the evening. Lows in the mid 50s. Southwest Winds 10 to 15 Mph. Chance of rain 20 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

    49.4 °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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