If you planning to travel to Thien Duong Cave, Dong Hoi, Vietnam, 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 11:24 PM. The temperature feels like 66.2 with a humidity level of 85 so dress accordingly. Cloud coverage is 50 percent with visibility at 8 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling east-northeast at a speed of 5 MPH. At the end of the day don’t miss the sunset at 10:56 AM.