To keep up with the daily weather and general wonderful climate on the islands there is a satellite website. It shows most of the South Pacific Islands around New Zealand. On the map, Aitutaki is one of the smaller dots in the middle of the screen at 160w and 20s. There looks to be some clouds coming from the southwest but everything else looks clear!
My mouse is on the Cooks, I believe.
The average Sea Surface Temperature is about 29° Celsius at the Northern Islands and 25 at the Galapagos for some comparison. According to cook islands Bishop Museum.