Stony Brook Weather Forecast

    • 58
    • 76

    Chance Rain Showers

    • 56
    • 74

    Chance Rain Showers

    • 57
    • 74

    Partly Sunny

    • 59
    • 77

    Partly Sunny

    • 61
    • 78

    Partly Sunny

    • 62
    • 80

    Slight Chance Rain Showers

Today 29 May Northwest Suffolk

Partly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 29 May Northwest Suffolk

Mostly cloudy with a chance of Showers and Thunderstorms. Lows in the upper 50s. West Winds around 5 Mph, becoming northwest after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stony Brook Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (8.7 miles)

  • Lowest 13 May, 2024

    42.7 °F
  • Average May

    59.9 °F
  • Highest 24 May, 2024

    84.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (8.7 miles)

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  • Average Low 2019–2024

    47.3 °F
  • Average 2019–2024

    54.9 °F
  • Average High 2019–2024

    62.5 °F
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