Copiague Beach Weather Forecast

    • 50
    • 65

    Chance Rain Showers

    • 53
    • 66

    Rain Showers

    • 48
    • 64

    Chance Rain Showers

    • 45
    • 60

    Mostly Sunny

    • 45
    • 60

    Partly Sunny

    • 48
    • 60

    Slight Chance Rain Showers

Today 20 Oct Southwest Suffolk

Partly sunny. Showers with isolated Thunderstorms this morning. Some Thunderstorms may produce gusty Winds and heavy rainfall this morning. Breezy. Near steady temperature in the lower 60s. Southwest Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

Tonight 20 Oct Southwest Suffolk

Mostly clear. Lows in the upper 40s. West Winds 15 to 20 Mph. Gusts up to 30 Mph in the evening.

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Copiague Beach Temperature Statistics

October Temperature

Farmingdale - Republic Airport (5 miles)

  • Lowest 10 October, 2025

    42.1 °F

  • Average October

    59.9 °F

  • Highest 4 October, 2025

    81 °F

Climate (2020–Present)

Farmingdale - Republic Airport (5 miles)

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  • Average Low 2020–2025

    48.6 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    63.4 °F
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