Port Jefferson Harbor Weather Forecast
- 41
- 54
Mostly Sunny
- 51
- 57
Mostly Cloudy
- 56
- 68
Slight Chance Rain Showers
- 47
- 61
Mostly Cloudy
- 46
- 52
Chance Rain Showers
- 48
- 57
Slight Chance Rain Showers
Today 17 Apr Northwest Suffolk
Sunny. Highs in the upper 50s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.
Tonight 17 Apr Northwest Suffolk
Clear. Areas of frost after midnight. Lows around 40. West Winds 10 to 15 Mph, becoming northwest around 5 Mph after midnight.