Napier is expected to hit 15C on Saturday then 16C Sunday, with Hastings recording 16C on Saturday and Sunday, Waipukurau 15C on Saturday and Sunday and Wairoa reaching 16C on Saturday and 15C on Sunday.
The days will start off cool, however, at about 4-5C in Napier and Hastings over the weekend.
"It will be what I consider classic winter days which starts off cool and clear, then the sun comes up and it warms up," Ferris said.
A weather system is moving up the country and is forecast to hit Hawke's Bay late on Monday after a fine day.
Winds will change to northwest then rain is forecast to start early on Tuesday.
Temperatures will also become colder overnight and early in the morning dropping to 2C in Napier, 1C in Hastings, 2C in Waipukurau and 3C in Wairoa.