The warm weather continues into Saturday with another top tomorrow of 21C and a few clouds, before rainfall finally ruins the party on Sunday as showers and tops of about 20C are expected through to early next week.
Holidaymakers in Hamilton, Tauranga and the Coromandel can also expect to kick off the holiday break with two days of sunny skies and highs in the low 20s before the rain hits from Sunday.
Thames is looking like a standout destination, with tops of 21C and 22C today and tomorrow.
Whangarei can expect a high of 20C today, before showers hit from tomorrow.
Those keen to take a dip in the water will find sea temperatures from the Coromandel to Northland still a warm 20C, according to NIWA.
Napier in the east and Taranaki in the west can expect two days of clear skies before clouds and rain blow over on Sunday.
Wellington residents will need to enjoy the sunshine and top of 16C today as the showers and strong winds build up from tomorrow night.
In the South Island, the rain will hit sooner with Invercargill expecting a mostly fine day today and top of 19C today before evening rain and cloud gathers and the rain sets in tomorrow.
Christchurch, Queenstown and Nelson can all expect fine weather today before the showers blow in and the turns into possible heavy falls tomorrow.
Today's forecast
Whangarei:
Partly cloudy, chance light shower. Easterlies. High 20C, Low 13C.
Auckland:
Fine. Light winds. 21C, 9C.
Tauranga:
Fine. Light winds. 20C, 10C.
Hamilton:
Fine, apart from some morning cloud. Light winds. 21C, 5C.
New Plymouth:
Fine with light winds. 18C, 9C.
Napier:
Fine, but some morning cloud and developing northerlies. 19C, 7C.
Wellington:
Fine with developing northerlies. 16C, 12C.
Nelson:
Fine with light winds. 18C, 8C.
Christchurch:
Morning cloud clearing for fine afternoon. 17C, 6C.
Dunedin:
Morning cloud clearing. 18C, 11C.