If you planning to travel to Aro'a Beach, Rarotonga, Cook Islands, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 4:53 PM. The temperature feels like 80.5 with a humidity level of 87 so dress accordingly. Cloud coverage is 65 percent with visibility at 12.6 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 26 MPH. At the end of the day don’t miss the sunset at 4:23 AM.