A low pressure system lies over New Zealand today with two centres either side of the country. A weak ridge lies over New Zealand on Saturday bringing mainly settled weather, meanwhile a front approaches from the west in the Tasman Sea.

Mainly dry for the upper North Island this morning, perhaps some fog to start then afternoon isolated showers develop with a possibility of thunderstorms. Rain or showers about Wellington and the Wairarapa spreading into Hawkes Bay and Gisborne during the afternoon / evening. The South Island is mainly dry although cloud thickening in the east from afternoon could bring a light shower or two, sunnier conditions out west.

Much of the country is mainly settled and sunny on Saturday. A front approaching from the west in the Tasman Sea brings late evening / overnight heavy rain to South Westland.

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz