Bellport Bay - John Boyle Island Weather Forecast

    • 23
    • 30

    Chance Snow

    • 31
    • 39

    Snow

    • 29
    • 37

    Snow Likely

    • 30
    • 35

    Mostly Sunny

    • 30
    • 40

    Partly Sunny

    • 19
    • 37

    Mostly Cloudy

Today 24 Feb Southwest Suffolk

Sunny this Morning, then becoming partly sunny. Highs around 30. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 24 Feb Southwest Suffolk

Partly cloudy in the Evening, then mostly cloudy with a chance of snow after midnight. Lows 17 to 23. Temperature rising into the lower 30s after midnight. West Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph with Gusts up to 25 Mph after midnight. Chance of snow 50 percent.

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Bellport Bay - John Boyle Island Temperature Statistics

February Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 8 February, 2026

    3 °F

  • Average February

    27.3 °F

  • Highest 21 February, 2026

    46 °F

Climate (2021–Present)

Shirley, Brookhaven Airport (5.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    62.7 °F
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