South Oyster Bay Weather Forecast

    • 73
    • 87

    Chance Rain Showers

    • 71
    • 88

    Chance Rain Showers

    • 72
    • 85

    Chance Rain Showers

    • 71
    • 86

    Slight Chance Rain Showers

    • 65
    • 82

    Mostly Sunny

    • 67
    • 79

    Partly Sunny

    • 69
    • 78

    Chance Rain Showers

Today 10 Aug Southern Nassau

Partly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. South Winds around 10 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 10 Aug Southern Nassau

Mostly cloudy with a chance of Showers and scattered Thunderstorms in the Evening, then partly cloudy with scattered Thunderstorms with a slight chance of Showers after midnight. Some Thunderstorms may be severe with damaging Winds and heavy Rainfall, then some Thunderstorms may produce gusty Winds after midnight. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

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South Oyster Bay Temperature Statistics

August Temperature

Farmingdale - Republic Airport (6.2 miles)

  • Lowest 4 August, 2026

    64.9 °F

  • Average August

    77.7 °F

  • Highest 7 August, 2026

    89.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (6.2 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63.1 °F
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