Hawke's Bay is set to experience some "funny weather" this week with a mixture of freezing nights and warm days.
MetService meteorologist Chelsea Glue said a small ridge of high pressure had moved in from the Tasman and was making its way across the North Island.
Yesterday, Hastings had the coldest temperature at -1.2C overnight and Napier just a few notches warmer at 0.7C.
Despite the frosty start this morning, the day in Napier will reach 17C before dipping down to 3C overnight.
Hastings is expected to reach an even warmer 18C with a chilly night at 0C.