Great South Bay Weather Forecast

    • 60
    • 74

    Mostly Sunny

    • 64
    • 71

    Chance Rain Showers

    • 61
    • 68

    Partly Sunny

    • 61
    • 68

    Partly Sunny

    • 62
    • 65

    Chance Rain Showers

    • 63
    • 67

    Chance Rain Showers

Today 1 Jun Southwest Suffolk

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 1 Jun Southwest Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. West Winds 5 to 10 Mph.

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Great South Bay Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average June

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Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2019–2024

    47.3 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    62.5 °F
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