Duck Island Harbor Weather Forecast

    • 66
    • 82

    Chance Rain Showers

    • 67
    • 78

    Partly Sunny

    • 72
    • 82

    Partly Sunny

    • 72
    • 83

    Chance Thunderstorms

    • 72
    • 82

    Chance Rain Showers

    • 71
    • 82

    Chance Rain Showers

Today 28 Aug Northwest Suffolk

Mostly cloudy this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. West Winds around 5 Mph. Chance of rain 40 percent.

Tonight 28 Aug Northwest Suffolk

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 60s. Northwest Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duck Island Harbor Temperature Statistics

August Temperature

Farmingdale - Republic Airport (13.7 miles)

  • Lowest 24 August, 2026

    63 °F

  • Average August

    75.9 °F

  • Highest 9 August, 2026

    90 °F

Climate (2021–2026)

Farmingdale - Republic Airport (13.7 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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