Holiday hotspots are looking glorious with Northland centres reaching as high as 24C and Whitianga on the Coromandel Peninsula bathed in 22C.
"Some fairly toasty temperature over eastern parts of Aotearoa this Saturday and Sunday, and the Far North not looking too shabby either," said MetService.
Temperatures in the far south start to turn chilly again on Monday when a cold front moves on to the bottom of the island sending temperatures plunging as much as 10C in a day.
Meanwhile, the New Zealand Transport Agency is warning motorists heading out of cities for the annual Labour Weekend exodus to prepare for hours of queues.
High traffic volumes were anticipated on highways around the Auckland and Northland regions as Aucklanders started heading away from lunchtime on the last long weekend before Christmas.
Motorists were advised to check the traffic on traditionally clogged routes and plan trips to and from holiday hotspots to avoid the worst travel times.