Long Beach (Stony Brook) Weather Forecast

    • 54
    • 61

    Increasing Clouds

    • 48
    • 71

    Rain Showers

    • 42
    • 53

    Partly Sunny

    • 47
    • 56

    Mostly Sunny

    • 50
    • 61

    Partly Sunny

    • 51
    • 64

    Partly Sunny

Today 15 Oct Northwest Suffolk

Mostly sunny. Cooler with Highs in the lower 60s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the morning.

Tonight 15 Oct Northwest Suffolk

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 7 October, 2026

    39.7 °F

  • Average October

    61.3 °F

  • Highest 2 October, 2026

    79.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads