We highly recommend using AirBnb for this weekend because they are inexpensive, comfy and a ton to chose from. There are no room blocks (they were all more expensive than booking directly with the hotels.)
Hotel
Embassy Suites by Hilton Temecula Valley Wine Country
29345 Rancho California Road Temecula, CA 92591 (951) 676-5656
Hotel
Temecula Creek Inn
44501 Rainbow Canyon Road Temecula, CA 92592 (866) 448-3612