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 11:03 AM. The temperature feels like 79.45 with a humidity level of 62 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.2 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 12:19 AM.