"The lower South Island is pretty spectacular now."
Wanaka, Queenstown and Alexandra were sunny with temperatures around 18-19C, McInnes said.
Auckland's forecast is for briefly heavy rain this afternoon with some thunder possible, clearing by about 8pm.
There's more of the same tomorrow for the City of Sails: cloudy periods, a few showers, possibly thundery in the north in the afternoon, easing in the evening.
Sunday is expected to be mainly fine, but with the chance of an afternoon shower.
The MetService is picking rain or showers on Sunday for the east of the North Island, with partly cloudy weather and isolated showers elsewhere.
It says the South Island can expect mainly fine weather on Sunday with some high cloud, and isolated showers about the ranges and hills - and patchy rain or drizzle in Canterbury until evening.
Heavy rain warnings have been issued for the Bay of Plenty and Gisborne region north of Gisborne City.
The MetService says the front moving northeast across the North Island today and through to early tomorrow morning brings a burst of heavy rain. The heaviest falls are expected in eastern Bay of Plenty, and Gisborne north of the city.