What’s the weather at Mijanès - Donezan today? The current Mijanès - Donezan weather is: Clear, 0 C° base and -2 C° Summit, 5 km/h wind. Scroll down to Hour by Hour for an hourly Mijanès - Donezan weather forecast breakdown for a detailed Mijanès - Donezan weather and snow forecast for the next seven days.