If you planning to travel to James and Ethel Grey Park, Johannesburg, South Africa, 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 3:13 AM. The temperature feels like 70.5 with a humidity level of 52 so dress accordingly. Cloud coverage is 13 percent with visibility at 14.9 percent. Today’s UV index is 12, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 4 MPH. At the end of the day don’t miss the sunset at 4:38 PM.