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 28.85 with a humidity level of 69 so dress accordingly. Cloud coverage is 8 percent with visibility at 14.1 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 10:27 PM.