It means the city can expect a high of 20C today, before a top of 21C with heavy rain tomorrow.
Temperatures will then drop to a chilly 17C on Tuesday and Wednesday.
On the South Island, the heaviest rainfall will be on the West Coast, while the strongest winds will be east of the Southern Alps through Canterbury and up into Marlborough.
It’s led MetService to put a heavy wind warning in place for Westland from 4pm today through to 9pm tomorrow as well as a strong wind watch.
“Heavy rain may cause streams and rivers to rise rapidly. Surface flooding and slips are also possible and driving conditions may be hazardous,” MetService said.
A heavy rain watch is also in place for Southland with Invercargill set for a top of 20C today before the rain sets in this evening and tomorrow.
The polar blast should then hit next Tuesday, driving the temperature down to 14C.
Dunedin is also expecting rain to hit soon, with the heaviest falls to arrive tomorrow as the city reaches a top of 20C today and 24C tomorrow with temperatures then remaining steady until Tuesday’s cold dip to 15C.
Christchurch is set for a top of 24C today before possibly heavy rain tomorrow and a top of 26C.
Auckland, meanwhile, is tipped for a top of 23C today with showers developing in the evening before getting some heavy showers tomorrow and a top of 24C.
Hamilton is looking at a top of 23C today and 22C tomorrow with rain.
