Long Beach (Stony Brook) Weather Forecast

    • 45
    • 55

    Increasing Clouds

    • 54
    • 65

    Mostly Cloudy

    • 56
    • 74

    Slight Chance Thunderstorms

    • 58
    • 74

    Mostly Cloudy

    • 56
    • 74

    Chance Rain Showers

    • 51
    • 66

    Chance Rain Showers

Today 12 Apr Northwest Suffolk

Mostly sunny. Highs in the mid 50s. Northeast Winds around 5 Mph, increasing to south 10 to 15 Mph in the afternoon.

Tonight 12 Apr Northwest Suffolk

Mostly cloudy. Lows in the mid 40s. South Winds 10 to 15 Mph.

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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 °F

  • Average April

    47.3 °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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