Smithtown Bay Weather Forecast

    • 49
    • 52

    Rain Likely

    • 48
    • 52

    Rain

    • 41
    • 51

    Mostly Cloudy

    • 39
    • 45

    Mostly Cloudy

    • 33
    • 43

    Partly Sunny

    • 36
    • 40

    Partly Sunny

    • 42
    • 46

    Mostly Cloudy

Today 2 Dec Northwest Suffolk

Mostly cloudy. Highs in the mid 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

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Smithtown Bay Temperature Statistics

December Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average December

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Climate (2018–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2018–2023

    47.3 °F
  • Average 2018–2023

    55 °F
  • Average High 2018–2023

    62.5 °F
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