If you planning to travel to Old Port, Santorini, Greece, 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 5:00 AM. The temperature feels like 42.3 with a humidity level of 57 so dress accordingly. Cloud coverage is 15 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 north at a speed of 22 MPH. At the end of the day don’t miss the sunset at 4:08 PM.