If you planning to travel to Kaumana Caves County Park, Hilo, 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 4:29 PM. The temperature feels like 72.55 with a humidity level of 84 so dress accordingly. Cloud coverage is 58 percent with visibility at 8.6 percent. Today’s UV index is 5, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 3:40 AM.