SearchWP 2.3 will make available all of the weights that dictated the order of search results

gistfile1.php

<?php

print_r( SWP()->results_weights );

/* ===================== OUTPUT =====================

Primary array key is the $post->ID, each primary value contains the overall 
weight for that $post in addition to the weight for each post type

Array
(
    [1778] => Array
        (
            [post_id] => 1778
            [weight] => 100
            [post_types] => Array
                (
                    [post] => 100
                    [page] => 0
                    [cpt1] => 0
                    [attachment] => 0
                )

        )

    [801] => Array
        (
            [post_id] => 801
            [weight] => 80
            [post_types] => Array
                (
                    [post] => 80
                    [page] => 0
                    [cpt1] => 0
                    [attachment] => 0
                )

        )

    [2424] => Array
        (
            [post_id] => 2424
            [weight] => 60
            [post_types] => Array
                (
                    [post] => 60
                    [page] => 0
                    [cpt1] => 0
                    [attachment] => 0
                )

        )

)
*/