West Islip Weather Forecast

    • 71
    • 84

    Mostly Sunny

    • 65
    • 82

    Rain Showers Likely

    • 66
    • 80

    Chance Rain Showers

    • 67
    • 79

    Rain Showers Likely

    • 66
    • 82

    Chance Rain Showers

    • 64
    • 81

    Mostly Sunny

    • 65
    • 80

    Partly Sunny

Today 19 Aug Southwest Suffolk

Sunny. Near steady temperature in the lower 80s. Southwest Winds around 10 Mph.

Tonight 19 Aug Southwest Suffolk

Mostly clear. Humid with Lows around 70. Southwest Winds 5 to 10 Mph.

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West Islip Temperature Statistics

August Temperature

Farmingdale - Republic Airport (5.6 miles)

  • Lowest 4 August, 2026

    64.9 °F

  • Average August

    77.2 °F

  • Highest 9 August, 2026

    90 °F

Climate (2021–2026)

Farmingdale - Republic Airport (5.6 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63.1 °F
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