Hewlett Weather Forecast

    • 18
    • 32

    Snow Likely

    • 22
    • 31

    Mostly Cloudy

    • 28
    • 33

    Partly Sunny

    • 32
    • 43

    Mostly Cloudy

    • 40
    • 51

    Rain Likely

    • 28
    • 50

    Partly Sunny

Today 14 Dec Southern Nassau

Cloudy with snow likely in the Morning, then mostly sunny in the afternoon. Total snow accumulation of 3 to 5 Inches possible. Highs in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of snow 70 percent.

Tonight 14 Dec Southern Nassau

Partly cloudy in the Evening, then clearing. Blustery with Lows around 18. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

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  • Temperature Forecast NOAA

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Hewlett Temperature Statistics

December Temperature

New York, Kennedy International Airport (3.1 miles)

  • Lowest 9 December, 2025

    19 °F
  • Average December

    34.6 °F
  • Highest 2 December, 2025

    45 °F

Climate (2020–Present)

New York, Kennedy International Airport (3.1 miles)

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  • Average Low 2020–2025

    49.5 °F
  • Average 2020–2025

    56.3 °F
  • Average High 2020–2025

    63.6 °F
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