Hewlett Harbor Weather Forecast

    • 64
    • 75

    Partly Sunny

    • 63
    • 78

    Partly Sunny

    • 63
    • 77

    Mostly Sunny

    • 62
    • 76

    Mostly Sunny

    • 63
    • 76

    Partly Sunny

    • 63
    • 75

    Partly Sunny

Today 13 Sep Southern Nassau

Sunny. Highs in the mid 70s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 13 Sep Southern Nassau

Partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hewlett Harbor Temperature Statistics

September Temperature

New York, Kennedy International Airport (3.7 miles)

  • Lowest 8 September, 2025

    55.9 °F

  • Average September

    67.8 °F

  • Highest 6 September, 2025

    81 °F

Climate (2020–Present)

New York, Kennedy International Airport (3.7 miles)

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

  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    56.4 °F

  • Average High 2020–2025

    63.7 °F
Get WillyWeather+ to remove ads