Bellport Bay - John Boyle Island Weather Forecast

    • 39
    • 57

    Areas Fog

    • 46
    • 56

    Chance Rain

    • 31
    • 47

    Rain Likely

    • 38
    • 43

    Mostly Cloudy

    • 36
    • 44

    Mostly Cloudy

    • 42
    • 48

    Rain

Today 10 Mar Southwest Suffolk

Mostly cloudy this Morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 10 Mar Southwest Suffolk

Mostly cloudy. Areas of fog. Lows in the upper 30s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellport Bay - John Boyle Island Temperature Statistics

March Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    35.7 °F

  • Highest 8 March, 2026

    55 °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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