Syosset Weather Forecast

    • 38
    • 52

    Increasing Clouds

    • 45
    • 58

    Partly Sunny

    • 41
    • 61

    Mostly Sunny

    • 46
    • 57

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 59
    • 76

    Mostly Cloudy

Today 9 Apr Northern Nassau

Partly sunny this Morning, then clearing. Areas of frost this morning. Highs in the lower 50s. South Winds 10 to 15 Mph.

Tonight 9 Apr Northern Nassau

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 30s. South Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Syosset Temperature Statistics

April Temperature

Farmingdale - Republic Airport (7.5 miles)

  • Lowest 7 April, 2026

    34 °F

  • Average April

    50 °F

  • Highest 1 April, 2026

    73 °F

Climate (2021–Present)

Farmingdale - Republic Airport (7.5 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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