Belle Terre Weather Forecast

    • 69
    • 75

    Patchy Fog

    • 68
    • 75

    Mostly Cloudy

    • 55
    • 76

    Partly Sunny

    • 55
    • 70

    Slight Chance Rain Showers

    • 56
    • 67

    Slight Chance Rain Showers

    • 55
    • 69

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

Today 26 Sep Northwest Suffolk

Partly cloudy. Patchy fog. Lows in the upper 60s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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Belle Terre Temperature Statistics

September Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 2 September, 2017

    51.1 °F
  • Average September

    68.5 °F
  • Highest 24 September, 2017

    88 °F

Climate (2010–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2010–Present

    45.7 °F
  • Average 2010–Present

    54 °F
  • Average High 2010–Present

    61.5 °F
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