If you planning to travel to Sion Cathedral, Sion, Switzerland, 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 7:10 AM. The temperature feels like 34.900000000000006 with a humidity level of 55 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.1 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 3:51 PM.