Cupsoque Beach Co Park Weather Forecast

    • 68
    • 74

    Rain Showers

    • 60
    • 72

    Chance Rain Showers

    • 60
    • 67

    Mostly Sunny

    • 64
    • 72

    Partly Sunny

    • 66
    • 75

    Partly Sunny

    • 63
    • 75

    Chance Rain Showers

Today 13 Sep Southeast Suffolk

Showers with a chance of Thunderstorms. Locally heavy rainfall possible this morning. Highs in the mid 70s. South Winds 5 to 10 Mph, becoming west this afternoon. Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 13 Sep Southeast Suffolk

Partly cloudy. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cupsoque Beach Co Park Temperature Statistics

September Temperature

Shirley, Brookhaven Airport (7.5 miles)

  • Lowest 7 September, 2026

    53.1 °F

  • Average September

    70.4 °F

  • Highest 10 September, 2026

    84.9 °F

Climate (2021–2026)

Shirley, Brookhaven Airport (7.5 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.5 °F

  • Average High 2021–2026

    62.6 °F
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