Sunlovers and swimmers enjoy the balmy weather at Redleaf Beach in Sydney's eastern suburbs as temeperatures rise into the thirties across the city. Credit:James Alcock

The rest of the week should be mostly dry for the city, the bureau said.

Tuesday is expected to reach a maximum of 28 degrees, before cooling on Wednesday to a top of 23 degrees.

But it will steadily heat up again, to 26 degrees on Thursday and 27 degrees on Friday, before reaching a forecast high of 32 degrees on Saturday.