Bellport Bay - John Boyle Island Weather Forecast

    • 33
    • 43

    Chance Drizzle

    • 28
    • 42

    Breezy

    • 24
    • 33

    Breezy

    • 37
    • 40

    Mostly Cloudy

    • 39
    • 48

    Chance Rain

    • 32
    • 45

    Chance Rain

Today 6 Dec Southwest Suffolk

Cloudy. A chance of very light drizzle and freezing drizzle in the morning. Ice accumulation around a trace. Highs in the lower 40s. North Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 6 Dec Southwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

December Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 1 December, 2025

    25 °F

  • Average December

    35.6 °F

  • Highest 2 December, 2025

    48.9 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5.6 miles)

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

  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    62.9 °F
Get WillyWeather+ to remove ads