East Fire Island Weather Forecast

    • 65
    • 77

    Chance Rain Showers

    • 61
    • 71

    Slight Chance Rain Showers

    • 65
    • 75

    Mostly Sunny

    • 69
    • 76

    Partly Sunny

    • 73
    • 76

    Slight Chance Rain Showers

    • 67
    • 80

    Partly Sunny

    • 64
    • 73

    Mostly Sunny

Today 5 Sep Southwest Suffolk

Sunny. Highs in the upper 70s. North Winds 5 to 10 Mph.

Tonight 5 Sep Southwest Suffolk

Mostly cloudy with a 40 percent chance of Showers. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

East Fire Island Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (9.9 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    72.9 °F

  • Highest 3 September, 2026

    84 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (9.9 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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