If you planning to travel to Muri 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 5:05 PM. The temperature feels like 87.15 with a humidity level of 80 so dress accordingly. Cloud coverage is 31 percent with visibility at 14 percent. Today’s UV index is 12, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 10 MPH. At the end of the day don’t miss the sunset at 4:40 AM.