If you planning to travel to Orto Botanico dell'Universita di Siena, Siena, Italy, 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 6:20 AM. The temperature feels like 43.8 with a humidity level of 78 so dress accordingly. Cloud coverage is 50 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 5 MPH. At the end of the day don’t miss the sunset at 3:41 PM.