If you planning to travel to Wat Si Souman, Vang Vieng, Laos, 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 11:30 PM. The temperature feels like 80.7 with a humidity level of 79 so dress accordingly. Cloud coverage is 5 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 10:30 AM.