South Setauket Weather Forecast

    • 55
    • 66

    Rain

    • 43
    • 64

    Partly Sunny

    • 43
    • 60

    Mostly Sunny

    • 41
    • 58

    Partly Sunny

    • 43
    • 62

    Mostly Sunny

    • 38
    • 59

    Partly Sunny

Today 6 Nov Northwest Suffolk

Rain with a chance of Thunderstorms. Highs in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 6 Nov Northwest Suffolk

Cloudy with rain in the Evening, then partly cloudy with a slight chance of rain after midnight. Lows in the lower 50s. West Winds around 5 Mph. Chance of rain 90 percent.

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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 1 November, 2026

    36.6 °F

  • Average November

    54.7 °F

  • Highest 4 November, 2026

    69.1 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63.1 °F
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