Northland, Auckland, Waikato & Bay Of Plenty
Early showers, possibly heavy with hail (in the west) then easing to showers with dry spells gradually becoming longer during the day, sunny spells at times. Northland may be fairly dry for much of the day. Westerly winds.
Highs: 14-15

Western North Island (including Central North Island)
Showers, some may be heavy with hail early morning then easing, clearing in the evening. Sunny spells at times. Overnight or more towards dawn on Wednesday a band of rain moves in, heavy with possible thunderstorms and hail, especially about Taranaki and southwards. A few snow flurries to 800m. Breezy west to northwesterly winds.
Highs: 9-13

Eastern North Island
Mostly sunny, some morning cloud / showers about the Wairarapa clear. West to northwesterly winds.
Highs: 15-17

Wellington
A mix of sun and cloud with northwesterly winds, overnight rain with heavy falls possible.
High: 13

Marlborough & Nelson
Any early cloud clears then mainly sunny, light winds. Overnight heavy rain with possible thunderstorms and hail moves over, Tasman and perhaps parts of the Marlborough Sounds look most likely to see this weather.
Highs: 12-14

Canterbury
A few morning showers (mainly coastal) clear then sunny areas increase. Southwesterly winds tend northeast in the evening.
Highs: 9-12

West Coast
Some morning sun then cloud increases in the afternoon with the odd light shower possible, some rain overnight especially about North Westland. Light winds tend westerly after midday.
Highs: 9-12

Southland & Otago
Mostly sunny about Southland and Central Otago with light winds, high cloud later in the day. Coastal Otago sees any morning showers clear then sunny spells increase.
Highs: 8-10

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz