If you planning to travel to Sao Martinho do Porto Beach, Caldas da Rainha, 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 7:08 AM. The temperature feels like 66.7 with a humidity level of 92 so dress accordingly. Cloud coverage is 31 percent with visibility at -- percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 5:28 PM.