Smithtown Weather Forecast

    • 35
    • 52

    Rain

    • 36
    • 48

    Rain

    • 40
    • 51

    Partly Sunny

    • 38
    • 53

    Partly Sunny

    • 41
    • 55

    Slight Chance Rain

    • 35
    • 56

    Partly Sunny

Today 21 Nov Northwest Suffolk

Showers with a slight chance of Thunderstorms this Morning, then Showers likely this afternoon. Highs in the lower 50s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 21 Nov Northwest Suffolk

Mostly cloudy. Rain Showers Likely, mainly in the evening. Lows in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Smithtown Temperature Statistics

November Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 14 November, 2024

    31.7 °F

  • Average November

    53.5 °F

  • Highest 1 November, 2024

    80.7 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2019–2024

    47.4 °F

  • Average 2019–2024

    55.1 °F

  • Average High 2019–2024

    62.9 °F
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