High pressure covers much of New Zealand on Wednesday, although there are a few weak features about one of which may bring a few heavy showers to some upper North Island regions from afternoon / evening.

For the upper North Island. Northland has a mainly sunny day, there may be some cloud from evening in the southeast which could bring a few heavy showers, especially overnight. Auckland a mainly sunny morning then some cloud from afternoon brings the risk of a few showers as light easterlies develop. Showers may become heavy in the north for a time in the evening. The Waikato and Bay Of Plenty sees cloudy areas develop in the morning then a shower or two from afternoon, winds tend easterly.

Areas of high cloud and some sun about the lower North Island in the west after a frost start inland, light southeasterlies. Cloudy areas and some sun at times along the east coast, there may be a light shower or two about also otherwise mainly dry. Light southerly quarter winds.

Mostly cloudy about Wellington with light southerly winds.

Plenty of high cloud for Nelson and Marlborough with light southeasterly winds, some sun breaks through in the afternoon, more so for Nelson then cloud builds again towards evening bringing the risk of a shower.

A few drizzle patches or showers about inland Canterbury ease then clear in the afternoon, remaining fairly cloudy for the rest of the day. Nearer the coast morning cloud breaks to afternoon sunny spells. Southwesterly winds ease.

Morning cloud breaks to sunny spells along the West Coast, from afternoon however cloud builds Greymouth northwards then a few showers move in towards evening. Light east to northeasterly winds.

Mainly sunny with light winds about Southland and Otago, any morning cloud about Otago clears. A frosty start inland.