If you planning to travel to Marathon Run Museum, Marathon, 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 5:19 AM. The temperature feels like 59.25 with a humidity level of 77 so dress accordingly. Cloud coverage is 6 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 3:05 PM.