If you planning to travel to Castelhanos Lighthouse, Ilha Grande, Brazil, 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 9:08 AM. The temperature feels like 77.25 with a humidity level of 85 so dress accordingly. Cloud coverage is 3 percent with visibility at 13.5 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 15 MPH. At the end of the day don’t miss the sunset at 8:42 PM.