A westerly airflow lies over New Zealand today, a cold front within this flow slowly slides northwards over the South Island during the day.
Northland, Auckland, Waikato & Bay Of Plenty
Partly cloudy, risk of a shower or two from afternoon as light winds pick up from the west. The Bay Of Plenty is mostly sunny, some cloud from afternoon.
Western North Island (including Central North Island)
Cloudy areas develop in the morning, risk of a shower or two from afternoon as west to northwesterly winds freshen.
Eastern North Island
Mainly sunny, a touch of high cloud from afternoon. Northwesterlies pick up after midday.
Sunny spells and increasing cloud with breezy northwesterly winds.
Marlborough & Nelson
Mostly sunny with some high cloud, more so from afternoon. North to northwesterly winds pick up after midday.
Sunny areas and some high cloud, northwesterly winds.
Showers, perhaps some rain at times. Westerlies freshen from afternoon.
Southland & Otago
Cloudy with showers about Southland, west to northwest winds becoming strong in the afternoon with a risk of gales. Otago has mostly cloudy skies, there may be a spit of rain at times otherwise mainly dry, winds lighter.
By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz