Northport Basin Weather Forecast

    • 64
    • 77

    Partly Sunny

    • 64
    • 74

    Partly Sunny

    • 64
    • 71

    Chance Rain Showers

    • 65
    • 78

    Slight Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 58
    • 71

    Partly Sunny

Today 15 Sep Northwest Suffolk

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph.

Tonight 15 Sep Northwest Suffolk

Partly cloudy. Lows in the upper 50s. East Winds 5 to 10 Mph.

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Northport Basin Temperature Statistics

September Temperature

Farmingdale - Republic Airport (13 miles)

  • Lowest 9 September, 2025

    53.1 °F

  • Average September

    66.9 °F

  • Highest 5 September, 2025

    80.1 °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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