If you planning to travel to Pu'u 'O'o Trailhead, Volcano, 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 76.9 with a humidity level of 76 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.9 percent. Today’s UV index is 6, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 3:47 AM.