Long Beach (Stony Brook) Weather Forecast

    • 56
    • 81

    Chance Thunderstorms

    • 56
    • 78

    Mostly Cloudy

    • 52
    • 71

    Chance Rain Showers

    • 50
    • 62

    Chance Rain Showers

    • 42
    • 60

    Chance Rain Showers

    • 37
    • 51

    Mostly Sunny

Today 15 Apr Northwest Suffolk

Mostly sunny. Highs in the lower 80s. Southwest Winds 5 to 10 Mph.

Tonight 15 Apr Northwest Suffolk

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 9 April, 2026

    27.6 °F

  • Average April

    47.4 °F

  • Highest 1 April, 2026

    72.6 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (9.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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