Barrett Beach Weather Forecast

    • 58
    • 65

    Rain Showers

    • 59
    • 67

    Mostly Cloudy

    • 62
    • 71

    Mostly Cloudy

    • 57
    • 69

    Partly Sunny

    • 57
    • 66

    Partly Sunny

    • 55
    • 64

    Partly Sunny

Today 25 May Southwest Suffolk

Areas of fog this morning. Showers with a slight chance of Thunderstorms this Morning, then Showers likely this afternoon. Highs in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 25 May Southwest Suffolk

Mostly cloudy. Lows in the upper 50s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Real-Time

Barrett Beach Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (8.7 miles)

  • Lowest 1 May, 2026

    40.6 °F

  • Average May

    60.2 °F

  • Highest 20 May, 2026

    93.7 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (8.7 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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