Fire authorities, farmers and even water storage managers may be in for even more trying times as odds increase for the drier and hotter conditions across eastern Australia to continue deep into spring.

Places such as Sydney are already on track for record-breaking July temperatures amid the lowest rainfall in decades.

The Bureau of Meteorology's latest three-month outlook, updated on Thursday, points to more of the same for months to come.

There's no sign of a let-up for most of eastern Australia's drier and hotter than average weather. Credit:Johnathan Carroll

While the August-October forecast suggests odds favour a drier and hotter than normal stint for mainland south-eastern Australian, the chances are particularly strong for next month alone, Jonathan Pollock, a bureau climatologist, said.