Long Beach (Stony Brook) Weather Forecast

    • 57
    • 67

    Breezy

    • 59
    • 66

    Rain Showers Likely

    • 58
    • 65

    Rain Showers Likely

    • 58
    • 65

    Rain Showers Likely

    • 57
    • 67

    Mostly Cloudy

    • 59
    • 68

    Partly Sunny

Today 24 Sep Northwest Suffolk

Mostly sunny and breezy. Highs in the upper 60s. Northeast Winds 20 to 25 Mph with Gusts up to 35 Mph.

Tonight 24 Sep Northwest Suffolk

Mostly cloudy and breezy. Lows in the lower 50s. Northeast Winds 20 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 15 September, 2026

    52.6 °F

  • Average September

    70.4 °F

  • Highest 10 September, 2026

    86.6 °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

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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