Belle Terre Weather Forecast

    • 51
    • 76

    Chance Rain Showers

    • 48
    • 66

    Mostly Cloudy

    • 50
    • 69

    Mostly Sunny

    • 52
    • 64

    Rain Showers

    • 52
    • 67

    Rain Showers Likely

    • 53
    • 69

    Chance Rain Showers

Today 10 May Northwest Suffolk

Cloudy this Morning, then partly sunny with a slight chance of Showers this afternoon. Areas of dense fog this morning with visibility one quarter mile or less at Times. Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 10 May Northwest Suffolk

Mostly cloudy with a 50 percent chance of Showers. Lows around 50. West Winds 5 to 10 Mph, becoming north after midnight.

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Belle Terre Temperature Statistics

May Temperature

Islip, Long Island Mac Arthur Airport (11.2 miles)

  • Lowest 1 May, 2026

    40.6 °F

  • Average May

    55.6 °F

  • Highest 5 May, 2026

    67.6 °F

Climate (2021–Present)

Islip, Long Island Mac Arthur Airport (11.2 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    63 °F
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