Long Beach (Stony Brook) Weather Forecast

    • 70
    • 79

    Mostly Cloudy

    • 70
    • 80

    Chance Rain Showers

    • 66
    • 81

    Partly Sunny

    • 66
    • 78

    Mostly Sunny

    • 70
    • 81

    Partly Sunny

    • 70
    • 82

    Partly Sunny

    • 70
    • 82

    Chance Rain Showers

Today 26 Aug Northwest Suffolk

Sunny. Near steady temperature in the upper 70s. Southwest Winds around 5 Mph.

Tonight 26 Aug Northwest Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

August Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 24 August, 2026

    62.1 °F

  • Average August

    76.5 °F

  • Highest 7 August, 2026

    91.7 °F

Climate (2021–2026)

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

    63.1 °F
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