$today = date('Y-m-d');
$query = new WP_Query( array( 'post_type' => 'events', 'posts_per_page' => 10, 'meta_key' => 'eventdate', 'orderby' => 'meta_value', 'order' => 'ASC', 'meta_value' => '$today', 'meta_compare' => '>=' ) );