Long Beach (Stony Brook) Weather Forecast

    • 65
    • 77

    Increasing Clouds

    • 69
    • 80

    Chance Rain Showers

    • 66
    • 80

    Mostly Sunny

    • 66
    • 78

    Sunny

    • 66
    • 81

    Chance Rain Showers

    • 66
    • 78

    Rain Showers Likely

Today 17 Jun Northwest Suffolk

Mostly sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 17 Jun Northwest Suffolk

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. South Winds 5 to 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Long Beach (Stony Brook) Temperature Statistics

June Temperature

Islip, Long Island Mac Arthur Airport (9.3 miles)

  • Lowest 2 June, 2026

    46.7 °F

  • Average June

    71.2 °F

  • Highest 12 June, 2026

    94.6 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (9.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63 °F
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