A ridge loses it’s grip over the North Island on Monday while a north to northwesterly airflow lies over the South Island.
The North Island has a fairly settled day, where skies are clear the night before there could be some fog patches about inland areas by dawn on Monday then breaking away during the morning. There may also be areas of persistent cloud about western coastlines during the day also. Northerlies about Wellington may be a little breezy. The east coast has the best weather with temperatures reaching into the high teens.
The South Island has a fairly typical northwesterly day, cloudy skies in the west with some patchy rain or a few showers at times. Southern Fiordland sees some heavy rain. Sunnier skies in the east with some high cloud and warm afternoon temperatures reaching into the high teens.
Image: Monday 27th August 2018 3:00pm MSLP / Rain map – weathermap.co.nz