Originally Posted by joe sch
Yes, its even been full warmup jacket weather in SCal so far this winter.
+1. First winter I remember having to wear warm-up pants and layers on top - and never finishing in just short sleeves (I play at dawn). First 10-15 minutes are tough when its 43. I've taken to putting my rackets up front with me on the drive to the courts to get some heat in the strings and grip.