West Islip Weather Forecast

    • 60
    • 79

    Partly Cloudy

    • 60
    • 74

    Partly Sunny

    • 64
    • 77

    Mostly Sunny

    • 55
    • 81

    Chance Rain Showers

    • 52
    • 69

    Chance Rain Showers

    • 51
    • 63

    Chance Rain Showers

Today 17 May Southwest Suffolk

Mostly sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph.

Tonight 17 May Southwest Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Lows around 60. Southwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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West Islip Temperature Statistics

May Temperature

Farmingdale - Republic Airport (5.6 miles)

  • Lowest 1 May, 2026

    44.1 °F

  • Average May

    55.8 °F

  • Highest 5 May, 2026

    66 °F

Climate (2021–Present)

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 °F
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