South Oyster Bay Weather Forecast

    • 65
    • 79

    Becoming Sunny

    • 60
    • 83

    Mostly Sunny

    • 60
    • 71

    Mostly Sunny

    • 58
    • 70

    Partly Sunny

    • 64
    • 73

    Partly Sunny

    • 65
    • 77

    Partly Sunny

    • 63
    • 77

    Partly Sunny

Today 18 Sep Southern Nassau

Sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 18 Sep Southern Nassau

Mostly clear. Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight.

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South Oyster Bay Temperature Statistics

September Temperature

Farmingdale - Republic Airport (6.2 miles)

  • Lowest 9 September, 2025

    53.1 °F

  • Average September

    67.3 °F

  • Highest 5 September, 2025

    80.1 °F

Climate (2020–Present)

Farmingdale - Republic Airport (6.2 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    63.4 °F
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