Bellport Bay - John Boyle Island Weather Forecast

    • 37
    • 51

    Rain Likely

    • 42
    • 49

    Partly Sunny

    • 43
    • 50

    Partly Sunny

    • 52
    • 55

    Rain

    • 45
    • 57

    Chance Rain

    • 38
    • 50

    Partly Sunny

Today 22 Nov Southwest Suffolk

Rain early. Highs in the lower 50s. North Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 22 Nov Southwest Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 30s. North Winds 5 to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

November Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 20 November, 2025

    27 °F

  • Average November

    45.8 °F

  • Highest 8 November, 2025

    64 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5.6 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.9 °F

  • Average High 2020–2025

    62.9 °F
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