Port Jefferson Harbor Entrance Weather Forecast

    • 40
    • 50

    Chance Rain

    • 46
    • 52

    Partly Sunny

    • 42
    • 53

    Chance Rain

    • 43
    • 49

    Rain

    • 41
    • 47

    Rain Likely

    • 39
    • 47

    Chance Rain

Today 29 Mar Northwest Suffolk

Mostly cloudy Early, then clearing. Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 29 Mar Northwest Suffolk

Mostly clear. Lows in the mid 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Port Jefferson Harbor Entrance Temperature Statistics

March Temperature

Islip, Long Island Mac Arthur Airport (11.8 miles)

  • Lowest 22 March, 2024

    24.9 °F
  • Average March

    45.2 °F
  • Highest 15 March, 2024

    73.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (11.8 miles)

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  • Average Low 2019–2024

    47.3 °F
  • Average 2019–2024

    54.9 °F
  • Average High 2019–2024

    62.5 °F
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