Port Jefferson Harbor Entrance Weather Forecast
- 62
- 72
Mostly Sunny
- 65
- 72
Chance Rain Showers
- 60
- 74
Partly Sunny
- 60
- 71
Partly Sunny
- 61
- 68
Chance Rain Showers
- 64
- 69
Rain Showers Likely
Today 1 Jun Northwest Suffolk
Sunny. Near steady temperature in the upper 70s. Northwest Winds 5 to 10 Mph.
Tonight 1 Jun Northwest Suffolk
Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.
Port Jefferson Harbor Entrance Temperature Statistics
June Temperature
Islip, Long Island Mac Arthur Airport (11.8 miles)
Lowest
–Average June
–Highest
–
Climate (2019–Present)
Islip, Long Island Mac Arthur Airport (11.8 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2019–2024
47.3 °FAverage 2019–2024
54.9 °FAverage High 2019–2024
62.5 °F