"Temporary foster" refers to the situation when someone provides a temporary home for a person or an animal for a specific period of time until they can find a more permanent home for them. Full definition
Provide temporary foster homes for sick, injured, old and young animals or nursing mothers until they are ready to be placed for adoption. (savinggraces4felines.org)
From time to time we seek to place dogs with special needs in temporary foster care. (pawsplace.org)
Instead, all of the dogs in our program live with families in temporary foster homes while they await their forever homes. (mnsheltierescue.org)