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 10:40 PM. The temperature feels like 29.200000000000003 with a humidity level of 63 so dress accordingly. Cloud coverage is 9 percent with visibility at 12.4 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 4 MPH. At the end of the day don’t miss the sunset at 8:44 AM.