West Lake Weather Forecast

    • 64
    • 78

    Rain Showers

    • 56
    • 73

    Chance Rain Showers

    • 58
    • 70

    Mostly Sunny

    • 62
    • 73

    Partly Sunny

    • 64
    • 77

    Partly Sunny

    • 60
    • 77

    Chance Rain Showers

Today 13 Sep Southwest Suffolk

Showers with a chance of Thunderstorms this Morning, then Showers likely with a slight chance of Thunderstorms this afternoon. Locally heavy rainfall possible. Highs in the upper 70s. South Winds 5 to 10 Mph, becoming west this afternoon. Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 13 Sep Southwest Suffolk

Partly cloudy. Humid with Lows in the mid 60s. Southwest Winds 5 to 10 Mph, becoming west 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Lake Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (4.3 miles)

  • Lowest 7 September, 2026

    56.6 °F

  • Average September

    72.8 °F

  • Highest 3 September, 2026

    85.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (4.3 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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