Last year, council officers recommended closing the pool because of its age and condition but elected members voted to keep it open for at least one more season.
The pool’s springboard has been removed because of safety concerns, with two fixed diving blocks replacing it.
Whanganui’s daytime highs are expected to be between 20C and 22C into next week.
No rain is predicted, with winds coming from the south and southwest.
Mike Tweed is a multimedia journalist at the Whanganui Chronicle. Since starting in March 2020, he has dabbled in everything from sport to music. At present his focus is local government, primarily the Whanganui District Council.