Along with the reviews from Rotten Tomatoes, other sites have also given their feedback on the film, particularly Garner's performance. Griffin Schiller of Awards Watch gave Weapons an 'A' rating and praised Garner in the process, stating that she gives a "remarkably honest and powerful performance."

In an interview on the SmartLess podcast, Julia Garner revealed that she had to convince Madonna that she could dance in order to land the role in the biopic of the "Like a Virgin" singer.