If you planning to travel to Napili Bay, Lahaina, 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 4:05 PM. The temperature feels like 76.85 with a humidity level of 74 so dress accordingly. Cloud coverage is 1 percent with visibility at 14.5 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 4:48 AM.