Bellport Bay - John Boyle Island Weather Forecast

    • 32
    • 47

    Breezy

    • 35
    • 44

    Breezy

    • 30
    • 41

    Mostly Sunny

    • 33
    • 40

    Partly Sunny

    • 37
    • 45

    Mostly Sunny

    • 40
    • 48

    Mostly Sunny

Today 6 Mar Southwest Suffolk

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 6 Mar Southwest Suffolk

Mostly cloudy in the Evening, then becoming partly cloudy. Breezy with Lows in the lower 30s. West Winds 15 to 25 Mph with Gusts up to 40 Mph.

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Bellport Bay - John Boyle Island Temperature Statistics

March Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 3 March, 2025

    17.1 °F

  • Average March

    32 °F

  • Highest 1 March, 2025

    52.6 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5.6 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    54.8 °F

  • Average High 2020–2025

    62.8 °F
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