Great South Bay Weather Forecast

    • 52
    • 60

    Mostly Sunny

    • 52
    • 59

    Partly Sunny

    • 53
    • 61

    Partly Sunny

    • 54
    • 61

    Slight Chance Rain Showers

    • 57
    • 63

    Slight Chance Rain Showers

    • 57
    • 66

    Mostly Sunny

    • 57
    • 67

    Partly Sunny

Today 14 May Southwest Suffolk

Sunny. Highs in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great South Bay Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

  • Lowest 9 May, 2021

    41 °F

  • Average May

    54.5 °F

  • Highest 2 May, 2021

    72 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (8.1 miles)

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  • Average Low 2010–Present

    45.6 °F

  • Average 2010–Present

    52.8 °F

  • Average High 2010–Present

    60.1 °F
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