Long Beach (Stony Brook) Weather Forecast

    • 36
    • 43

    Decreasing Clouds

    • 43
    • 50

    Rain Likely

    • 41
    • 54

    Partly Sunny

    • 44
    • 53

    Rain Likely

    • 32
    • 53

    Partly Sunny

    • 35
    • 44

    Mostly Cloudy

Today 19 Mar Northwest Suffolk

Partly sunny. Near steady temperature in the lower 40s. South Winds 5 to 10 Mph.

Tonight 19 Mar Northwest Suffolk

Mostly cloudy. Lows in the mid 30s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

March Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 3 March, 2026

    18.6 °F

  • Average March

    40.5 °F

  • Highest 9 March, 2026

    66.9 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (9.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63 °F
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