Northport Harbor Weather Forecast

    • 64
    • 80

    Sunny

    • 67
    • 78

    Partly Sunny

    • 70
    • 78

    Rain Showers

    • 64
    • 82

    Rain Showers Likely

    • 64
    • 80

    Mostly Sunny

    • 67
    • 82

    Mostly Sunny

    • 67
    • 84

    Partly Sunny

Today 19 Jul Northwest Suffolk

Sunny. Near steady temperature around 80. Northwest Winds 10 to 15 Mph.

Tonight 19 Jul Northwest Suffolk

Clear. Lows in the lower 60s. North Winds around 5 Mph.

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Northport Harbor Temperature Statistics

July Temperature

Farmingdale - Republic Airport (11.8 miles)

  • Lowest 7 July, 2026

    63 °F

  • Average July

    77.5 °F

  • Highest 3 July, 2026

    100.9 °F

Climate (2021–2026)

Farmingdale - Republic Airport (11.8 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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