A few showers are then expected tomorrow with Whangārei hitting a top of 18C and Tauranga and Hamilton highs of 17C.
All three cities are, like Auckland, expected to enjoy a lovely, clear day on Tuesday.
Napier is looking at a fine weekend with no rain as it hits a high of 19C today and then a balmy winter maximum of 20C tomorrow.
Tuesday and Wednesday are then looking radiant in the eastern city.
Wellington is set for a mostly fine high of 15C today, before a few showers tomorrow and a maximum of 15C, with Sunday’s overnight low dropping to a frosty 6C.
Tuesday and Wednesday should be fine but the mercury begins to drop to 14C, and then 12C by Thursday with rain.
Christchurch is also enjoying a fine Saturday with a top of 14C before showers arrive on Sunday, which will also have an overnight low of 0C.
The south and west of the South Island are set for more cloudy conditions, with Dunedin hitting a cloudy top of 15C today and 13C tomorrow.
Queenstown is set for tops of 12C today and 10C tomorrow, with an overnight low of 0C Sunday night.
MetService has a snowfall warning in place for the nearby Crown Range and Milford roads.
Road snowfall warnings are also in place for Arthurs Pass and Lewis Pass, while strong wind watches are in force for the central South Island mountains and for Southland and Otago as well as southern Hawke’s Bay in the North Island.