Duck Island Weather Forecast

    • 60
    • 78

    Mostly Sunny

    • 65
    • 78

    Chance Rain Showers

    • 71
    • 81

    Mostly Sunny

    • 63
    • 82

    Rain Showers Likely

    • 60
    • 73

    Slight Chance Rain Showers

    • 59
    • 74

    Mostly Sunny

    • 59
    • 73

    Partly Sunny

Today 3 Sep Northwest Suffolk

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

Tonight 3 Sep Northwest Suffolk

Mostly clear. Lows in the upper 50s. South Winds 5 to 10 Mph.

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Duck Island Temperature Statistics

September Temperature

Farmingdale - Republic Airport (13 miles)

  • Lowest 1 September, 2025

    57.9 °F

  • Average September

    67.3 °F

  • Highest 1 September, 2025

    75 °F

Climate (2020–Present)

Farmingdale - Republic Airport (13 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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