“The overnight lows are slightly cooler with 11C on Saturday and 12C on Sunday.”
The fine weather is forecast to continue until Wednesday as winds become easterly and temperatures are likely to increase to 27C.
Overnight lows will increase to 15C and the warm temperatures will continue on Thursday when showers are forecast.
“The southeasterlies will make things feel a bit cooler in the early part of the week if you’re out and about but they won’t be very strong and they are not expected to hang around during the evenings,” Law said.
“As always, it’s important to check the daily forecast if you’re heading out on the water.”
Whanganui currently has a moderate fire danger rating and Fire and Emergency New Zealand recommends visiting checkitsalright.nz before lighting outdoor fires.