If you planning to travel to Cheongok Cave, Donghae, 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 10:07 PM. The temperature feels like 48.3 with a humidity level of 63 so dress accordingly. Cloud coverage is 42 percent with visibility at 11.1 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 9 MPH. At the end of the day don’t miss the sunset at 8:04 AM.