Sound Beach Weather Forecast

    • 69
    • 83

    Decreasing Clouds

    • 72
    • 83

    Chance Rain Showers

    • 69
    • 87

    Chance Thunderstorms

    • 65
    • 83

    Mostly Sunny

    • 67
    • 81

    Mostly Sunny

    • 71
    • 83

    Slight Chance Rain Showers

Today 18 Jul Northwest Suffolk

Mostly sunny. Highs in the mid 80s. Northwest Winds 10 to 15 Mph.

Tonight 18 Jul Northwest Suffolk

Mostly clear. Lows in the lower 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Sound Beach Temperature Statistics

July Temperature

Shirley, Brookhaven Airport (10.6 miles)

  • Lowest 5 July, 2025

    59.6 °F

  • Average July

    76.5 °F

  • Highest 8 July, 2025

    90.6 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (10.6 miles)

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  • Average Low 2020–2025

    46.8 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    63 °F
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