If you planning to travel to Halemaumau Trail, 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 4:29 PM. The temperature feels like 62.300000000000004 with a humidity level of 81 so dress accordingly. Cloud coverage is 35 percent with visibility at 11.1 percent. Today’s UV index is 6, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 11 MPH. At the end of the day don’t miss the sunset at 3:40 AM.