South Oyster Bay Weather Forecast

    • 27
    • 56

    Rain

    • 35
    • 43

    Partly Sunny

    • 25
    • 46

    Partly Sunny

    • 26
    • 36

    Partly Sunny

    • 34
    • 43

    Chance Rain/Snow

    • 31
    • 44

    Mostly Cloudy

Today 19 Dec Southern Nassau

Showers with a slight chance of Thunderstorms this Morning, then a chance of Showers this afternoon. Very windy with Highs in the mid 50s. South Winds 25 to 35 Mph with Gusts up to 55 Mph, becoming west 20 to 25 Mph with Gusts up to 45 Mph this afternoon. Chance of rain near 100 percent.

Tonight 19 Dec Southern Nassau

Partly cloudy and Windy, cooler with Lows in the upper 20s. West Winds 20 to 30 Mph. Gusts up to 50 Mph, decreasing to 40 Mph after midnight.

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South Oyster Bay Temperature Statistics

December Temperature

Farmingdale - Republic Airport (6.2 miles)

  • Lowest 5 December, 2025

    19 °F

  • Average December

    32.3 °F

  • Highest 10 December, 2025

    46.9 °F

Climate (2020–Present)

Farmingdale - Republic Airport (6.2 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    63.3 °F
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