If you planning to travel to Buena Vista Lake, Decatur, Georgia, 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 12:30 PM. The temperature feels like 43.3 with a humidity level of 91 so dress accordingly. Cloud coverage is 80 percent with visibility at 7.6 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 19 MPH. At the end of the day don’t miss the sunset at 10:30 PM.