Smithtown Bay Weather Forecast

    • 59
    • 61

    Rain

    • 59
    • 63

    Chance Rain

    • 49
    • 63

    Breezy

    • 48
    • 57

    Breezy

    • 52
    • 60

    Mostly Sunny

    • 60
    • 64

    Partly Sunny

Today 13 Oct Northwest Suffolk

Rain, windy with Highs in the lower 60s. Northeast Winds 20 to 30 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

Tonight 13 Oct Northwest Suffolk

Rain likely. Breezy with Lows in the mid 50s. Northeast Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithtown Bay Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 10 October, 2025

    42.1 °F
  • Average October

    63.4 °F
  • Highest 4 October, 2025

    82 °F

Climate (2020–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2020–2025

    47.5 °F
  • Average 2020–2025

    55.3 °F
  • Average High 2020–2025

    63.2 °F
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