Long Beach (Stony Brook) Weather Forecast

    • 70
    • 80

    Mostly Sunny

    • 71
    • 84

    Chance Rain Showers

    • 71
    • 88

    Rain Showers Likely

    • 69
    • 84

    Mostly Sunny

    • 70
    • 84

    Partly Sunny

    • 71
    • 85

    Partly Sunny

Today 8 Jul Northwest Suffolk

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph, becoming west this afternoon.

Tonight 8 Jul Northwest Suffolk

Mostly clear. Lows in the upper 60s. Southwest Winds 5 to 10 Mph.

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Long Beach (Stony Brook) Temperature Statistics

July Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 6 July, 2026

    64.9 °F

  • Average July

    79.4 °F

  • Highest 3 July, 2026

    98.7 °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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