If you planning to travel to Agios Sostis Beach, Mykonos, 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 4:49 AM. The temperature feels like 63.2 with a humidity level of 58 so dress accordingly. Cloud coverage is 4 percent with visibility at 14.9 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling north-northeast at a speed of 18 MPH. At the end of the day don’t miss the sunset at 3:16 PM.