Peconic River Co Park Weather Forecast

    • 65
    • 85

    Increasing Clouds

    • 67
    • 81

    Mostly Sunny

    • 65
    • 85

    Chance Rain Showers

    • 61
    • 78

    Partly Sunny

    • 61
    • 78

    Partly Sunny

    • 61
    • 78

    Partly Sunny

Today 15 Aug Northeast Suffolk

Sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph, becoming east this afternoon.

Tonight 15 Aug Northeast Suffolk

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 60s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Peconic River Co Park Temperature Statistics

August Temperature

Shirley, Brookhaven Airport (5 miles)

  • Lowest 9 August, 2025

    51.7 °F

  • Average August

    70 °F

  • Highest 4 August, 2025

    86.6 °F

Climate (2020–Present)

Shirley, Brookhaven Airport (5 miles)

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

  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    63 °F
Get WillyWeather+ to remove ads