Duck Island Harbor Weather Forecast

    • 34
    • 39

    Mostly Cloudy

    • 28
    • 42

    Breezy

    • 22
    • 42

    Mostly Cloudy

    • 27
    • 31

    Snow

    • 32
    • 35

    Rain Likely

    • 30
    • 43

    Rain

    • 24
    • 35

    Slight Chance Rain/Snow

Today 23 Dec Northwest Suffolk

Rain likely. Near steady temperature in the upper 30s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 23 Dec Northwest Suffolk

Mostly cloudy this Evening, then becoming partly cloudy. Near steady temperature in the mid 30s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, increasing to 15 to 20 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duck Island Harbor Temperature Statistics

December Temperature

Farmingdale - Republic Airport (13.7 miles)

  • Lowest 5 December, 2025

    19 °F

  • Average December

    34 °F

  • Highest 19 December, 2025

    55.9 °F

Climate (2020–Present)

Farmingdale - Republic Airport (13.7 miles)

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  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    63.3 °F
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