Rockville Centre Weather Forecast

    • 35
    • 42

    Increasing Clouds

    • 26
    • 45

    Partly Sunny

    • 30
    • 37

    Partly Sunny

    • 35
    • 42

    Chance Rain/Snow

    • 32
    • 43

    Partly Sunny

    • 40
    • 47

    Chance Rain

Today 20 Dec Southern Nassau

Mostly sunny. Cooler with Highs in the lower 40s. West Winds 10 to 15 Mph. Gusts up to 30 Mph, decreasing to 20 Mph in the afternoon.

Tonight 20 Dec Southern Nassau

Mostly cloudy. Lows in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Rockville Centre Temperature Statistics

December Temperature

New York, Kennedy International Airport (6.2 miles)

  • Lowest 9 December, 2025

    19 °F

  • Average December

    32.9 °F

  • Highest 2 December, 2025

    45 °F

Climate (2020–Present)

New York, Kennedy International Airport (6.2 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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