Central Islip Weather Forecast

    • 71
    • 84

    Mostly Cloudy

    • 71
    • 82

    Rain Showers

    • 70
    • 81

    Rain Showers

    • 69
    • 83

    Slight Chance Thunderstorms

    • 71
    • 83

    Chance Rain Showers

    • 72
    • 85

    Chance Rain Showers

    • 71
    • 86

    Chance Rain Showers

Today 1 Aug Southwest Suffolk

Partly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph.

Tonight 1 Aug Southwest Suffolk

Mostly cloudy. Lows in the lower 70s. South Winds 5 to 10 Mph.

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Central Islip Temperature Statistics

August Temperature

Islip, Long Island Mac Arthur Airport (5 miles)

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  • Average August

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Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (5 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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