Copiague Weather Forecast

    • 65
    • 75

    Increasing Clouds

    • 67
    • 78

    Slight Chance Rain Showers

    • 58
    • 79

    Partly Sunny

    • 58
    • 70

    Chance Rain Showers

    • 59
    • 73

    Chance Rain Showers

    • 59
    • 72

    Chance Rain Showers

Today 16 Sep Southwest Suffolk

Mostly sunny. Highs in the mid 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Southwest Suffolk

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Copiague Temperature Statistics

September Temperature

Farmingdale - Republic Airport (5 miles)

  • Lowest 7 September, 2026

    57 °F

  • Average September

    72.4 °F

  • Highest 3 September, 2026

    87.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (5 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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