If you planning to travel to Sintra Science Center, Sintra, 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 7:54 AM. The temperature feels like 53.95 with a humidity level of 61 so dress accordingly. Cloud coverage is 0 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 northeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 5:21 PM.