If you planning to travel to Osan-ri Prehistory Museum, Yangyang, South Korea, 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 10:08 PM. The temperature feels like 54.1 with a humidity level of 78 so dress accordingly. Cloud coverage is 56 percent with visibility at 14.9 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 8:19 AM.