The state reported five deaths and 262 new locally acquired cases of COVID-19 on Thursday, with 129 of the new cases linked to a known case or cluster, according to NSW Health.
All of Greater Sydney, including Wollongong, Central Coast and the Blue Mountains, entered a lockdown on June 26, which has been extended for four more weeks until at least August 28.
A seven-day snap lockdown will commence at 5 pm on Thursday in the Hunter and Upper Hunter regions.