Our resident low pressure system gives us it’s last final blast today, the main rain band associated with the low slips over the upper South Island today bringing heavy rain to Marlborough and parts of North Canterbury. An unstable westerly quarter airflow lies over the North Island and could once again bring heavy showers with a chance of thunderstorms for some. Even inland Southland runs the risk of a thunderstorm late afternoon and evening.

Northland
Sunny spells with northwesterly breezes, showers develop in the afternoon possibly heavy for a time. Winds change westerly in the evening.
Highs: 23-24

Auckland
Sunny spells with northwesterly breezes, showers develop mid afternoon and may be heavy for a time. Winds change westerly later in the evening.
Highs: 22-23

Central North Island, Waikato & Bay Of Plenty
Early rain clears with sunny areas developing, light winds. Showers develop after midday, heavy with isolated thunderstorms possible then clearing in the evening. North to northwest breezes afternoon onwards.
Highs: 19-24

Eastern North Island
Rain, heavy at times about Wairarapa eases in the morning to showers, northeasterlies. Further north expect morning rain to clear with sunny spells developing, north to northwest winds in the afternoon.
Highs: 18-24

Western North Island
Periods of rain south of northern Taranaki with southerly breezes. About northern Taranaki expect sunny spells and showers at times, a few could be heavy. Light winds at firs then WSW winds freshen around midday.
Highs: 18-20

Wellington
Rain with brisk southerlies, chance of a heavy fall in the morning. Rain eases to showers overnight.
High: 16

Nelson
A few areas of rain develop in the morning then clear in the evening as southeasterlies tend more southwest. Skies clear up overnight.
Highs: 17-18

Marlborough
Rain with a few heavy falls possible, more so about the Sounds and coast, lighter falls further inland. Brisk south to southeasterly winds. Rain eases late afternoon then clears in the evening.
Highs: 16-17

Canterbury
Cloudy, drizzle patches about Mid and North Canterbury clearing in the evening. Easterlies ease away in the evening perhaps tending southerly for a time. Rain north of about Cheviot with heavy falls possible, easing in the evening then clearing overnight. Brisk southeasterlies with this rain, winds tend southwest later in the evening.
High: 16

West Coast
Plenty of high cloud with southwesterly breezes. About South Westland conditions will be mostly sunny, a few isolated showers possible about the ranges late afternoon and evening.
Highs: 20-21

Coastal Otago
Morning cloud breaks away to mostly sunny weather, northeasterly breezes a little brisk at times. Northeasterlies ease in the evening.
Highs: 16-17

Central Otago
Mostly sunny with light winds tending southerly in the afternoon. A few isolated late afternoon or evening showers, some may be heavy in the southwest.
High: 22-23

Southland
Mostly sunny with light winds, afternoon sea breezes tending southwest. Isolated showers inland late afternoon and evening with possible thunderstorms, mainly for western inland parts. Cloud thickens in the evening.
High: 19

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz