If you planning to travel to Doksanseong Fortress, Osan, 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 26.8 with a humidity level of 66 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 8:18 AM.