Great South Bay Weather Forecast

    • 42
    • 47

    Breezy

    • 41
    • 49

    Mostly Sunny

    • 42
    • 50

    Mostly Sunny

    • 45
    • 54

    Mostly Sunny

    • 47
    • 57

    Mostly Sunny

    • 49
    • 58

    Partly Sunny

Today 14 Nov Southwest Suffolk

Mostly sunny. Highs in the upper 40s. Northwest Winds 15 to 20 Mph. Gusts up to 30 Mph this afternoon.

Tonight 14 Nov Southwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. Northwest Winds 15 to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Great South Bay Temperature Statistics

November Temperature

Islip, Long Island Mac Arthur Airport (8.1 miles)

  • Lowest 1 November, 2026

    36.6 °F

  • Average November

    55.6 °F

  • Highest 5 November, 2026

    70.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads