On review aggregator Rotten Tomatoes, Offseason holds an approval rating of 68% based on 65 reviews, with an average rating of 6.1/10. The site's critical consensus reads "Led by strong performances from Jocelin Donahue and Melora Walters, Offseason is a solid supernatural horror story that casts a sneaky spell." On Metacritic, the film holds an average rating of 55 out of 100, indicating "mixed or average reviews".
