Shell Harbor Weather Forecast

    • 71
    • 78

    Rain Showers

    • 66
    • 82

    Chance Thunderstorms

    • 65
    • 77

    Mostly Sunny

    • 66
    • 81

    Partly Sunny

    • 67
    • 75

    Partly Sunny

    • 69
    • 76

    Slight Chance Rain Showers

Today 21 Jul Southern Nassau

Showers likely with a chance of Thunderstorms late this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall late this morning. Some Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the upper 70s. South Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 21 Jul Southern Nassau

Showers with Thunderstorms likely in the Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Humid with Lows in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Shell Harbor Temperature Statistics

July Temperature

New York, Kennedy International Airport (6.2 miles)

  • Lowest 7 July, 2026

    64.7 °F

  • Average July

    79 °F

  • Highest 2 July, 2026

    102.7 °F

Climate (2021–2026)

New York, Kennedy International Airport (6.2 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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