Fire Island Lighthouse Weather Forecast

    • 65
    • 77

    Increasing Clouds

    • 61
    • 72

    Partly Sunny

    • 66
    • 75

    Mostly Sunny

    • 68
    • 76

    Partly Sunny

    • 72
    • 75

    Breezy

    • 66
    • 80

    Slight Chance Rain Showers

Today 5 Sep Southwest Suffolk

Mostly sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 5 Sep Southwest Suffolk

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fire Island Lighthouse Temperature Statistics

September Temperature

Farmingdale - Republic Airport (11.8 miles)

  • Lowest 2 September, 2026

    64.9 °F

  • Average September

    71 °F

  • Highest 1 September, 2026

    78.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (11.8 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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