A cold front moves off the upper South Island this morning then pushes northwards over the North Island during the day.

Northland, Auckland, Waikato & Bay Of Plenty
Increasing cloud, a few showers develop from mid afternoon through till evening as northwesterly winds change southwest. Showers not reaching Northland till evening. Showery conditions clear away overnight.
Highs: 17-20

Western North Island (including Central North Island)
Patchy rain or drizzle, clearing in the evening. Northwesterlies change west to southwest around midday.
Highs: 14-17

Eastern North Island
High cloud, a few spots of rain move through Wairarapa in the morning then further north in the afternoon / evening. Northwesterly winds.
Highs: 16-20

Wellington
Dry with strong to gale northwesterly winds and thickening high cloud, a few showers in the afternoon / evening with a southerly change.
High: 15

Marlborough & Nelson
High cloud for Nelson & Marlborough, morning spots of rain about Nelson then clearing. A few late afternoon or evening showers for Marlborough as northwesterly winds change southerly.
Highs: 15-16

Canterbury
Some morning sun then cloud builds in the afternoon, a shower or two possible from afternoon Banks Peninsula northwards then clearing in the evening. Southwesterly winds die out in the evening.
Highs: 12-14

West Coast
Occasional showers, mostly clearing in the evening although one or two showers may hang around overnight. Morning rain about Buller eases. A few snow flurries to 400m. Sun breaks through at times from afternoon. Southwesterly winds.
Highs: 9-12

Southland & Otago
Showers, briefly heavy at times with small hail then clearing in the evening. Snow flurries to 300m. A shower or two may sneak into Otago at times but expect long dry periods and areas of sun also. Fresh gusty cold west to southwesterly winds.
Highs: 8-11

By Weather Analyst Aaron Wilkinson – WeatherWatch.co.nz