A strong high-pressure system will ensure a calm Sunday.
At most, there will be a few clouds over the main Alpine ridge, but otherwise it will be bright and sunny.
Temperature at a height of 1,000 metres : 2 °C
Temperature at a height of 2,000 metres : -4 °C
Temperature at a height of 3,000 metres : -11 °C
0 degrees threshold: 1400 °C