Belle Terre Weather Forecast

    • 59
    • 69

    Mostly Sunny

    • 59
    • 64

    Chance Rain Showers

    • 52
    • 68

    Mostly Sunny

    • 51
    • 61

    Sunny

    • 56
    • 63

    Mostly Sunny

    • 57
    • 68

    Mostly Sunny

    • 57
    • 68

    Partly Sunny

Today 3 Oct Northwest Suffolk

Mostly sunny. Highs in the mid 60s.

Tonight 3 Oct Northwest Suffolk

Mostly clear. Lows in the mid 50s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Belle Terre Temperature Statistics

October Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 1 October, 2026

    60.1 °F

  • Average October

    67.1 °F

  • Highest 1 October, 2026

    73.9 °F

Climate (2021–2026)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    63.1 °F
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