Formal, please. But we want you to feel comfortable, so if those shoes are too high or that top button is too tight, let it all hang loose! The ceremony and bar will be outside so don't forget a coat!
We would recommend that you stay in Temecula on Saturday and definitely on Sunday night! There are lots of winery tours with transportation that could take you to a few of the wineries! If you are coming into town for more than Saturday and Sunday, we would suggest that you stay any extra days in San Diego! Temecula is about 45 minutes North of San Diego. We live 5 minutes from the beach in a town called Solana Beach. It is really beautiful and there are tons of things to do!