A subtropical northeasterly airflow lies over New Zealand today.

Northland, Auckland, Waikato & Bay Of Plenty
Mostly cloudy, chance of a light shower at times for northern Auckland and Northland (especially in the east). East to northeasterly winds.
Highs: 14-17

Western North Island (including Central North Island)
Plenty of high cloud, some sun may break through at times. Also expect areas of low cloud or fog to start about some inland spots away from the coast. Mid level cloud banks up about northern Taranaki and Kapiti now and then. Winds are light tending to the north or northeast.
Highs: 13-15

Eastern North Island
Sunny areas and some high cloud, light northeasterly winds.
Highs: 14-15

Wellington
Mostly cloudy, breezy northerly winds.
High: 14

Marlborough & Nelson
Mostly cloudy for Nelson, Marlborough has plenty of high cloud. North to northwesterly winds.
Highs: 13-16

Canterbury
Mostly cloudy, light northeasterly winds.
Highs: 12-15

West Coast
Cloudy with the odd shower or drizzle patch, some rain for southern Fiordland. Buller may have a mainly dry day especially inland. Northeasterly winds. 
Highs: 12-14

Southland & Otago
Mostly cloudy, north to northeasterly winds.
Highs: 12-15

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz