Nicoll Bay Weather Forecast

    • 73
    • 84

    Partly Sunny

    • 69
    • 80

    Partly Sunny

    • 72
    • 77

    Rain Showers Likely

    • 68
    • 79

    Chance Thunderstorms

    • 67
    • 78

    Partly Sunny

    • 69
    • 76

    Partly Sunny

Today 17 Jul Southwest Suffolk

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly sunny this afternoon. Highs in the upper 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 40 percent. Heat index Values up to 100.

Tonight 17 Jul Southwest Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Humid with Lows in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming northwest 10 to 15 Mph after midnight.

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Nicoll Bay Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (5.6 miles)

  • Lowest 5 July, 2025

    64.7 °F

  • Average July

    77.3 °F

  • Highest 8 July, 2025

    92.6 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (5.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    63 °F
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