West Fire Island Weather Forecast

    • 65
    • 72

    Chance Rain

    • 61
    • 68

    Slight Chance Rain Showers

    • 59
    • 69

    Mostly Cloudy

    • 60
    • 67

    Mostly Cloudy

    • 62
    • 66

    Mostly Cloudy

    • 64
    • 67

    Mostly Cloudy

Today 20 Sep Southwest Suffolk

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the mid 70s.

Tonight 20 Sep Southwest Suffolk

Mostly cloudy. Lows around 60.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Fire Island Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (10.6 miles)

  • Lowest 9 September, 2024

    50.6 °F
  • Average September

    67.8 °F
  • Highest 14 September, 2024

    84.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (10.6 miles)

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  • Average Low 2019–2024

    47.4 °F
  • Average 2019–2024

    55 °F
  • Average High 2019–2024

    62.7 °F
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