Smithtown Bay Weather Forecast

    • 48
    • 56

    Partly Sunny

    • 53
    • 59

    Partly Sunny

    • 56
    • 64

    Partly Sunny

    • 58
    • 65

    Mostly Cloudy

    • 60
    • 65

    Chance Rain Showers

    • 61
    • 66

    Rain Showers Likely

Today 31 Oct Northwest Suffolk

Sunny. Highs in the mid 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 31 Oct Northwest Suffolk

Mostly clear in the Evening, then becoming partly cloudy. Patchy frost after midnight. Lows in the upper 30s. North Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Smithtown Bay Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 25 October, 2026

    36.6 °F

  • Average October

    58.2 °F

  • Highest 14 October, 2026

    82.7 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
Get WillyWeather+ to remove ads