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 12:05 PM. The temperature feels like 46.75 with a humidity level of 88 so dress accordingly. Cloud coverage is 88 percent with visibility at 9.1 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 10:18 PM.