A low pressure system is organising itself in the Tasman Sea meanwhile a large high sits north of the country. A slack pressure gradient over the South Island could produce some fog or low cloud this morning, the North Island looks fairly dry overall although showers ramp up in the evening / overnight.
Western North Island
An early showers clear then expect a mix of sun and cloud for the rest of the day with light westerlies. Showers develop about Northland from afternoon however and these gradually spread southwards during the evening and overnight. Afternoon temperatures will likely be in the high teens for Northland and Auckland, mid teens Waikato southwards.
Eastern North Island
Any early spots of rain clear then expect mostly sunny weather with west to northwesterly winds. Afternoon high’s about Hawkes Bay and Gisborne may approach 18 or 19 degrees. Some high cloud starts to increase from later in the afternoon.
Western South Island
Mostly cloudy with showers or perhaps some rain at times, expect some dry spells now and then also especially in the afternoon where some sun may even break through for a time. High’s in the low teens.
Eastern South Island
Any early spots of rain clear then generally speaking there will be areas of sun and high cloud for the rest of the day. There may also be areas of fog or low cloud for some spots this morning then breaking in the afternoon to some sun. Afternoon temperatures reaching into the mid teens about Nelson and Marlborough, low teens for Canterbury.
Parts of Southland and coastal Otago may see patchy rain or showers hang on till midday then slowly clearing away. Winds will be light. Low double figure temperatures today about Southland and Otago.