If you planning to travel to Rissik Street Post Office, 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 3:15 AM. The temperature feels like 74.6 with a humidity level of 63 so dress accordingly. Cloud coverage is 20 percent with visibility at 13.7 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 6 MPH. At the end of the day don’t miss the sunset at 4:57 PM.