If you planning to travel to Manawaiopuna Falls, Kalaheo, Hawaii, 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 4:51 PM. The temperature feels like 74.6 with a humidity level of 76 so dress accordingly. Cloud coverage is 12 percent with visibility at 13.3 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 21 MPH. At the end of the day don’t miss the sunset at 3:56 AM.