If you planning to travel to Santo Antonio Bay Beach, Principe Island, Sao Tome and Principe, 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 5:18 AM. The temperature feels like 86.65 with a humidity level of 81 so dress accordingly. Cloud coverage is 9 percent with visibility at 14.9 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 5 MPH. At the end of the day don’t miss the sunset at 5:18 PM.