Hewlett Weather Forecast

    • 68
    • 78

    Increasing Clouds

    • 69
    • 81

    Chance Rain Showers

    • 61
    • 81

    Partly Sunny

    • 62
    • 72

    Chance Rain Showers

    • 64
    • 76

    Chance Rain Showers

    • 63
    • 75

    Chance Rain Showers

Today 16 Sep Southern Nassau

Mostly sunny. Highs in the upper 70s. West Winds around 5 Mph, becoming south in the afternoon.

Tonight 16 Sep Southern Nassau

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. Southwest 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 Temperature Statistics

September Temperature

New York, Kennedy International Airport (3.1 miles)

  • Lowest 7 September, 2026

    60.7 °F

  • Average September

    74.2 °F

  • Highest 10 September, 2026

    88.6 °F

Climate (2021–2026)

New York, Kennedy International Airport (3.1 miles)

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

  • Average Low 2021–2026

    49.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads