Bellport Bay - John Boyle Island Weather Forecast

    • 30
    • 42

    Partly Sunny

    • 17
    • 35

    Snow Showers

    • 22
    • 27

    Mostly Cloudy

    • 37
    • 41

    Rain Likely

    • 35
    • 43

    Slight Chance Rain

    • 40
    • 44

    Chance Rain

Today 28 Feb Southwest Suffolk

Areas of fog early. Partly cloudy. Highs in the mid 40s. South Winds 5 to 10 Mph.

Tonight 28 Feb Southwest Suffolk

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog. Lows in the upper 20s. West Winds around 5 Mph, becoming north with Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

February Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 8 February, 2026

    3 °F

  • Average February

    28.3 °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

    62.6 °F
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