If you planning to travel to Tres Irmaos Beach, Portimao, Portugal, 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 5:59 AM. The temperature feels like 55.900000000000006 with a humidity level of 73 so dress accordingly. Cloud coverage is 9 percent with visibility at 14.5 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 11 MPH. At the end of the day don’t miss the sunset at 7:10 PM.