South Setauket Weather Forecast

    • 34
    • 43

    Gradual Clearing

    • 39
    • 50

    Mostly Cloudy

    • 37
    • 52

    Partly Sunny

    • 31
    • 50

    Partly Sunny

    • 34
    • 46

    Partly Sunny

    • 41
    • 54

    Chance Rain

Today 11 Nov Northwest Suffolk

Partly sunny this Morning, then becoming mostly cloudy. A slight chance of rain and snow Showers. Breezy with Highs in the lower 40s. West Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation 20 percent.

Tonight 11 Nov Northwest Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Breezy with Lows in the mid 30s. West Winds 15 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Setauket Temperature Statistics

November Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 7 November, 2025

    33.1 °F

  • Average November

    53 °F

  • Highest 8 November, 2025

    66.9 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    63.2 °F
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