If you planning to travel to Hanawi Natural Forest Reserve, Haiku, 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 4:21 PM. The temperature feels like 74 with a humidity level of 81 so dress accordingly. Cloud coverage is 5 percent with visibility at 10.3 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 11 MPH. At the end of the day don’t miss the sunset at 4:31 AM.