Bellport Bay - John Boyle Island Weather Forecast

    • 35
    • 45

    Breezy

    • 35
    • 43

    Breezy

    • 36
    • 43

    Partly Sunny

    • 38
    • 51

    Rain Likely

    • 35
    • 42

    Chance Rain

    • 36
    • 46

    Chance Rain

    • 34
    • 42

    Partly Sunny

Today 27 Nov Southwest Suffolk

Mostly sunny. Highs in the mid 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 27 Nov Southwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the lower 30s. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

November Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 21 November, 2025

    25 °F

  • Average November

    45.2 °F

  • Highest 8 November, 2025

    64 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5.6 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    62.9 °F
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