Alder Island Weather Forecast

    • 66
    • 79

    Slight Chance Thunderstorms

    • 67
    • 76

    Mostly Sunny

    • 67
    • 76

    Mostly Sunny

    • 67
    • 75

    Partly Sunny

    • 69
    • 76

    Partly Sunny

    • 70
    • 78

    Chance Rain Showers

Today 22 Jul Southern Nassau

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 22 Jul Southern Nassau

Mostly cloudy with a slight chance of Showers in the Evening, then partly cloudy after midnight. Lows in the mid 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Alder Island Temperature Statistics

July Temperature

New York, Kennedy International Airport (9.9 miles)

  • Lowest 20 July, 2026

    64 °F

  • Average July

    78.6 °F

  • Highest 2 July, 2026

    102.7 °F

Climate (2021–2026)

New York, Kennedy International Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads