What’s the weather at Claviere - Vialattea today? The current Claviere - Vialattea weather is: Mostly Sunny, 6 C° base and 1 C° Summit, 4 km/h wind. Scroll down to Hour by Hour for an hourly Claviere - Vialattea weather forecast breakdown for a detailed Claviere - Vialattea weather and snow forecast for the next seven days.