When can I let my cat out? Usually after 6 to 8 weeks. We recommend you let the cat out before feeding and this way it will come back for food. gary2015-09-17T00:00:00+01:00September 17th, 2015|Cats|0 Comments Share This Story, Choose Your Platform! FacebookTwitterLinkedInRedditWhatsAppTumblrPinterestVkEmail Leave A Comment Cancel replyComment Save my name, email, and website in this browser for the next time I comment.