Alder Island Weather Forecast

    • 40
    • 56

    Sunny

    • 46
    • 50

    Increasing Clouds

    • 53
    • 61

    Slight Chance Rain Showers

    • 54
    • 62

    Slight Chance Thunderstorms

    • 56
    • 66

    Mostly Cloudy

    • 55
    • 66

    Chance Rain Showers

    • 50
    • 61

    Chance Rain Showers

Today 11 Apr Southern Nassau

Sunny. Near steady temperature in the lower 60s. Northwest Winds around 15 Mph with Gusts up to 30 Mph.

Tonight 11 Apr Southern Nassau

Clear. Lows around 40. North Winds 10 to 15 Mph. Gusts up to 25 Mph this evening.

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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

    49.1 °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

    63.4 °F
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