The warm weather is set to continue this week with no rain in sight for at least four or five days.
But the fine, settled conditions could come to a dramatic end at the end of the week if the remnants of Cyclone Oma arrives on New Zealand's shores.
Forecasters said it was too early to predict whether the cyclone would track towards New Zealand, but that it was one of several possibilities.
"Tropical cyclones are known for their unpredictable behaviour and things can change extremely rapidly," said MetService duty forecaster Sarah Haddon.
"The models are doing two completely different things with it. One option is that it will move down and affect New Zealand, but there are also options where the high that is around New Zealand blocks us, and it moves towards Australia."
Cyclone Oma, currently near Vanuatu, has been upgraded to Category 3, meaning it has highly destructive winds of more than 160km/h.