East Islip Marina Park Weather Forecast

    • 58
    • 76

    Chance Rain Showers

    • 60
    • 70

    Mostly Sunny

    • 65
    • 74

    Partly Sunny

    • 66
    • 76

    Partly Sunny

    • 62
    • 76

    Chance Rain Showers

    • 63
    • 72

    Mostly Cloudy

Today 14 Sep Southwest Suffolk

Mostly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. A slight chance of Showers early. Highs in the mid 70s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 14 Sep Southwest Suffolk

Mostly clear. Lows in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

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East Islip Marina Park Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (7.5 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    72.7 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (7.5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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