Great South Bay Weather Forecast

    • 50
    • 59

    Rain Showers Likely

    • 48
    • 57

    Chance Rain Showers

    • 49
    • 58

    Partly Sunny

    • 50
    • 61

    Chance Rain Showers

    • 51
    • 65

    Mostly Cloudy

    • 47
    • 63

    Rain Showers Likely

Today 6 May Southwest Suffolk

Mostly cloudy. Showers likely this afternoon. Breezy with Highs in the lower 60s. South Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

Tonight 6 May Southwest Suffolk

Showers likely. Lows around 50. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northwest 5 to 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Great South Bay Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average May

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Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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