Bellport Bay Weather Forecast

    • 39
    • 56

    Patchy Fog

    • 40
    • 62

    Mostly Cloudy

    • 46
    • 55

    Rain Likely

    • 31
    • 51

    Chance Rain/Snow

    • 37
    • 43

    Chance Rain

    • 35
    • 45

    Mostly Cloudy

    • 40
    • 48

    Chance Rain

Today 9 Mar Southwest Suffolk

Sunny. Highs in the lower 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Mar Southwest Suffolk

Mostly cloudy. Patchy fog in the evening. Patchy fog after midnight. Lows in the upper 30s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellport Bay Temperature Statistics

March Temperature

Shirley, Brookhaven Airport (5.6 miles)

  • Lowest 3 March, 2026

    14 °F

  • Average March

    34.1 °F

  • Highest 4 March, 2026

    45 °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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