If you planning to travel to Geronde Lake, Sierre, 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 7:03 AM. The temperature feels like 27.35 with a humidity level of 63 so dress accordingly. Cloud coverage is 7 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 northwest at a speed of 3 MPH. At the end of the day don’t miss the sunset at 3:43 PM.