If you planning to travel to Johnson County Welcome Center and Museum, Mountain City, Tennessee, 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 12:11 PM. The temperature feels like 23 with a humidity level of 72 so dress accordingly. Cloud coverage is 63 percent with visibility at 11.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 17 MPH. At the end of the day don’t miss the sunset at 10:15 PM.