Your website visitors often asked you that they will be interested in viewing all the posts from the current week all together. While the idea to load all posts sounds really good BUT it can be done only if you got the right snippet in hand. Using the following snippet and you will be able to load posts from the current week.
// display posts as desired
query_args = array(
'w' => date( 'W' ),
'year' => date( 'Y' ),
$posts = get_posts( $query_args );
Source Snippet/Code: Christian Brückner