KEY POINTS:
The weekend's glorious run of sunshine and warm temperatures throughout the country will be gone this week.
Rain will welcome Aucklanders back to work today, with a temperature of 20C predicted - slightly lower than the scorching maximum of 26C in the city yesterday.
MetService weather forecaster Ian Gall said most places throughout the country had had warm temperatures during the weekend, with the hottest place being Kawerau, which reached 28C.
Other places with some of the warmest temperatures included the Manawatu-Horowhenua area, which fetched up to 26C, and Thames and the Waikato-Waitomo area registering around 27C.
The coldest places were in Timaru and Oamaru at 14C.
Wellington is expected to be slightly warmer today, with a temperature of 19C , while Christchurch can expect 17C.