The northern half of the North Island, that's from North Taranaki, Ruapehu and Gisborne northwards: Fine and cloudy periods. Scattered showers, mainly tomorrow afternoon and evening with isolated thunderstorms in Northland and Bay of Plenty.
South Taranaki to Wellington, also Hawkes Bay and Wairarapa: Fine, but cloud increasing tomorrow.
Marlborough and Nelson, Fine.
Buller and Westland: Cloudy areas. A period of rain later tomorrow.
Canterbury and Otago: Cloudy areas. A period of showers later tomorrow, with a strong southerly change.
Southland and Fiordland: Cloudy areas. Showers developing tomorrow afternoon, with strong cold southwesterlies, and snow to 400 metres at night.
Chatham Islands: Cloudy periods.
Friday: North Island, rain or showers in the north and west clearing, cold and showery in the east, and the south at first. South Island, fine or becoming fine in the north and west, showers elsewhere gradually clearing.
Saturday: North Island, showers about Gisborne and Hawkes Bay at first. South Island, cloud increasing in the west and drizzle developing, turning to rain in Fiordland, mainly fine in the east but high cloud increasing in the south.
Sunday: North Island, mainly fine, cloud increasing in the west and rain from Wellington to Taranaki later. South Island, rain spreading from the south to most places, then clearing in the west and easing to a few showers in the east and south.
Chatham Islands: Showers on Friday and Saturday. Strong cold southwesterlies developing on Friday, and easing during Saturday. Cloudy periods and westerlies on Sunday.