What’s the weather at Le Ballon d'Alsace today? The current Le Ballon d'Alsace weather is: Rain, 9 C° base and 6 C° Summit, 22 km/h wind. Scroll down to Hour by Hour for an hourly Le Ballon d'Alsace weather forecast breakdown for a detailed Le Ballon d'Alsace weather and snow forecast for the next seven days.