Duck Island Weather Forecast

    • 68
    • 81

    Partly Sunny

    • 73
    • 83

    Chance Rain Showers

    • 68
    • 85

    Slight Chance Rain Showers

    • 65
    • 77

    Mostly Sunny

    • 68
    • 77

    Mostly Sunny

Today 8 Sep Northwest Suffolk

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph.

Tonight 8 Sep Northwest Suffolk

Partly cloudy. Lows in the mid 60s. Southwest Winds around 5 Mph.

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Duck Island Temperature Statistics

September Temperature

Farmingdale - Republic Airport (13 miles)

  • Lowest 6 September, 2026

    61 °F

  • Average September

    72.7 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (13 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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