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 11:10 AM. The temperature feels like 49.8 with a humidity level of 58 so dress accordingly. Cloud coverage is 2 percent with visibility at 13.3 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 12:07 AM.