Long Beach (Stony Brook) Weather Forecast

    • 45
    • 63

    Becoming Sunny

    • 43
    • 56

    Mostly Sunny

    • 44
    • 58

    Mostly Sunny

    • 47
    • 60

    Mostly Sunny

    • 50
    • 64

    Mostly Sunny

    • 47
    • 60

    Partly Sunny

Today 22 Oct Northwest Suffolk

Sunny. Highs in the lower 60s. North Winds 15 to 20 Mph.

Tonight 22 Oct Northwest Suffolk

Clear. Lows in the lower 40s. North Winds 15 to 20 Mph.

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Long Beach (Stony Brook) Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 19 October, 2026

    39 °F

  • Average October

    60.3 °F

  • Highest 14 October, 2026

    82.7 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (9.3 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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