A low pressure system moves out of the Tasman Sea and across the upper North Island today meanwhile expect a moderate southwesterly airflow for the South Island.
A few showers and dry spells for much of the upper North Island, rain moves into Northland during this morning then elsewhere early afternoon bringing a chance of heavy falls and some thunder before easing by evening. Light winds gradually pick up from the southwest. Showers for Taranaki through to Kapiti clear during the afternoon and sunny spells develop, rain for Wellington and Wairarapa doesn’t clear till evening. Sunny areas and some high cloud for Hawkes Bay and Gisborne, showers develop late afternoon with a southerly change, possibly heavy with thunderstorms (more so for Gisborne) then easing overnight.
Expect some rain or showers for Nelson (more so in the east) and Marlborough, drier conditions towards Golden Bay and in the west. Areas of precipitation clear away overnight. Some cloud and the odd shower for the West Coast, showers becoming heavy with a risk of hail / thunder from afternoon along the Alps from northern Fiordland through to about inland behind Greymouth. These showers ease in the evening and clear overnight. Canterbury has early rain ease to the odd shower then expect long dry areas from afternoon, winds from the south or southwest. In the evening some rain may push in from the west (especially for inland areas) then clearing overnight.
Southland and Otago have cloudy areas breaking to sun from afternoon, cloud breaks away in the evening. Western Southland and Central Otago may have the odd shower through till evening. Winds from the southwest.
Temperatures in the mid to high teens for most of the North Island today however highs reaching into the early twenties for Hawkes Bay and Gisborne. Temperatures in the low to mid teens for most in the South Island, perhaps reaching into the high teens about Tasman / Nelson.