Great South Bay Weather Forecast

    • 61
    • 73

    Chance Rain Showers

    • 59
    • 67

    Partly Sunny

    • 59
    • 63

    Chance Rain Showers

    • 51
    • 67

    Breezy

    • 51
    • 58

    Sunny

    • 56
    • 60

    Mostly Sunny

Today 2 Oct Southwest Suffolk

Partly sunny. Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 2 Oct Southwest Suffolk

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. Northwest Winds 10 to 15 Mph, becoming north after midnight. Chance of rain 50 percent.

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Great South Bay Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average October

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Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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