Alder Island Weather Forecast

    • 68
    • 82

    Rain

    • 67
    • 77

    Rain

    • 66
    • 79

    Rain Showers Likely

    • 69
    • 77

    Partly Sunny

    • 72
    • 80

    Partly Sunny

    • 72
    • 81

    Chance Thunderstorms

Today 5 Jul Southern Nassau

Mostly cloudy in the Morning, then partly sunny with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the mid 80s. North Winds around 5 Mph, becoming southeast in the afternoon. Chance of rain 50 percent.

Tonight 5 Jul Southern Nassau

Rain with a chance of Thunderstorms in the Evening, then rain with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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Alder Island Temperature Statistics

July Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 1 July, 2026

    73 °F

  • Average July

    83.1 °F

  • Highest 2 July, 2026

    100 °F

Climate (2021–2026)

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

    63.6 °F
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