I actually work for Main Line Health on the weekend program.
Weekend rates vary based on the number of weekends you work
2/4 weekends 7a-7p $46.03 hr
2/4 weekends 7p-7a $54.33 hr
3/4 7a-7p $48.37
3/4 7p-7a $56.62
4/4 7a-7p $50.73
4/4 7p-7a $58.97
Per diem rates vary from $36.40 to 46.40 dayshift
$40.06 to 50.06 evenings
$43.09 to 53.09 nights
These rates are all new as of 10/2007.
Hope this helps