Smithtown Weather Forecast

    • 46
    • 59

    Decreasing Clouds

    • 53
    • 62

    Chance Rain

    • 56
    • 70

    Rain

    • 49
    • 66

    Rain Showers Likely

    • 49
    • 62

    Chance Rain Showers

    • 51
    • 63

    Chance Rain Showers

Today 23 Oct Northwest Suffolk

Mostly cloudy late this Morning, then becoming partly sunny. A slight chance of Sprinkles late this morning. Highs in the lower 60s. North Winds 5 to 10 Mph, becoming northwest this afternoon.

Tonight 23 Oct Northwest Suffolk

Mostly cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithtown Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 19 October, 2021

    42.1 °F

  • Average October

    62.9 °F

  • Highest 14 October, 2021

    78.1 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2010–Present

    47.7 °F

  • Average 2010–Present

    54.9 °F

  • Average High 2010–Present

    62.2 °F
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