If you planning to travel to Black Rock Mountain State Park, Clayton, 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 12:38 PM. The temperature feels like 11.65 with a humidity level of 52 so dress accordingly. Cloud coverage is 7 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 6 MPH. At the end of the day don’t miss the sunset at 10:54 PM.