Syosset Weather Forecast

    • 62
    • 79

    Mostly Sunny

    • 68
    • 82

    Chance Rain Showers

    • 68
    • 81

    Chance Rain Showers

    • 69
    • 81

    Chance Thunderstorms

    • 69
    • 84

    Chance Rain Showers

    • 67
    • 84

    Chance Rain Showers

Today 29 Aug Northern Nassau

Sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 29 Aug Northern Nassau

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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Syosset Temperature Statistics

August Temperature

Farmingdale - Republic Airport (7.5 miles)

  • Lowest 24 August, 2026

    63 °F

  • Average August

    75.7 °F

  • Highest 9 August, 2026

    90 °F

Climate (2021–2026)

Farmingdale - Republic Airport (7.5 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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