Smithtown Bay Weather Forecast

    • 71
    • 83

    Chance Thunderstorms

    • 73
    • 85

    Chance Thunderstorms

    • 76
    • 85

    Thunderstorms Likely

    • 67
    • 85

    Chance Thunderstorms

    • 64
    • 78

    Mostly Sunny

    • 64
    • 77

    Sunny

    • 64
    • 77

    Mostly Sunny

Today 19 Aug Northwest Suffolk

Partly cloudy. Lows in the lower 70s. West Winds around 5 Mph, becoming northwest after midnight.

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Smithtown Bay Temperature Statistics

August Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 11 August, 2019

    59 °F
  • Average August

    74.2 °F
  • Highest 1 August, 2019

    87.1 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2010–Present

    46.7 °F
  • Average 2010–Present

    54.2 °F
  • Average High 2010–Present

    61.6 °F
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