Bellport Bay - John Boyle Island Weather Forecast

    • 51
    • 56

    Breezy

    • 52
    • 61

    Mostly Cloudy

    • 53
    • 63

    Chance Rain Showers

    • 52
    • 61

    Mostly Cloudy

    • 50
    • 62

    Slight Chance Rain Showers

    • 50
    • 57

    Chance Rain Showers

Today 13 Apr Southwest Suffolk

Mostly cloudy late this Morning, then becoming partly sunny. Breezy with Highs in the mid 60s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 13 Apr Southwest Suffolk

Partly cloudy in the Evening, then clearing. Lows in the lower 50s. Southwest Winds 15 to 20 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

April Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 9 April, 2026

    24.1 °F

  • Average April

    46 °F

  • Highest 4 April, 2026

    66 °F

Climate (2021–Present)

Shirley, Brookhaven Airport (5.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    62.5 °F
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