Copiague Beach Weather Forecast

    • 64
    • 80

    Chance Rain Showers

    • 60
    • 74

    Mostly Sunny

    • 62
    • 77

    Mostly Sunny

    • 65
    • 79

    Mostly Cloudy

    • 69
    • 78

    Chance Rain Showers

    • 63
    • 84

    Partly Sunny

Today 5 Sep Southwest Suffolk

Mostly sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 5 Sep Southwest Suffolk

Partly cloudy with a slight chance of Showers in the Evening, then mostly cloudy with a chance of Showers after midnight. Lows in the lower 60s. Northeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Copiague Beach Temperature Statistics

September Temperature

Farmingdale - Republic Airport (5 miles)

  • Lowest 2 September, 2026

    64.9 °F

  • Average September

    71 °F

  • Highest 1 September, 2026

    78.1 °F

Climate (2021–2026)

Farmingdale - Republic Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
Get WillyWeather+ to remove ads