Sound Beach Weather Forecast

    • 58
    • 85

    Rain Showers Likely

    • 53
    • 67

    Rain Showers Likely

    • 52
    • 66

    Mostly Cloudy

    • 52
    • 60

    Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 57
    • 70

    Slight Chance Rain Showers

Today 20 May Northwest Suffolk

Sunny this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 50 percent.

Tonight 20 May Northwest Suffolk

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. North Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sound Beach Temperature Statistics

May Temperature

Shirley, Brookhaven Airport (10.6 miles)

  • Lowest 1 May, 2026

    39.9 °F

  • Average May

    56 °F

  • Highest 17 May, 2026

    82.9 °F

Climate (2021–Present)

Shirley, Brookhaven Airport (10.6 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    62.5 °F
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