Smithtown Weather Forecast

    • 44
    • 67

    Mostly Sunny

    • 44
    • 59

    Rain Showers

    • 43
    • 50

    Rain Showers Likely

    • 46
    • 55

    Chance Rain Showers

    • 43
    • 61

    Slight Chance Rain Showers

    • 42
    • 58

    Mostly Cloudy

Today 16 Apr Northwest Suffolk

Sunny. Highs in the mid 60s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon.

Tonight 16 Apr Northwest Suffolk

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph, becoming north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithtown Temperature Statistics

April Temperature

Islip, Long Island Mac Arthur Airport (6.2 miles)

  • Lowest 5 April, 2024

    35.7 °F

  • Average April

    48.8 °F

  • Highest 9 April, 2024

    72.6 °F

Climate (2019–Present)

Islip, Long Island Mac Arthur Airport (6.2 miles)

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  • Average Low 2019–2024

    47.3 °F

  • Average 2019–2024

    54.9 °F

  • Average High 2019–2024

    62.5 °F
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