Hewlett Harbor Weather Forecast

    • 62
    • 68

    Rain

    • 58
    • 65

    Rain

    • 60
    • 70

    Partly Sunny

    • 63
    • 72

    Mostly Cloudy

    • 65
    • 74

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

Today 27 Sep Southern Nassau

Partly sunny with a 30 percent chance of Showers. Highs in the upper 60s.

Tonight 27 Sep Southern Nassau

Rain with a slight chance of Thunderstorms. Lows in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hewlett Harbor Temperature Statistics

September Temperature

New York, Kennedy International Airport (3.7 miles)

  • Lowest 24 September, 2026

    54.6 °F

  • Average September

    71.1 °F

  • Highest 10 September, 2026

    88.6 °F

Climate (2021–2026)

New York, Kennedy International Airport (3.7 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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