The Weather here in Cali.

You're inland and farther south than I am, we're not that hot yet but Gilroy is one of the hotspots of the bay area and they've been pretty hot already. We've hit the 80's and it's not unusual to have a couple weeks worth of 100+ weather. I upgraded my air conditioning cooling unit that goes on top of the furnace, it's a 4 ton rated one and brand new, the old one was 3.5 ton and 30 years old. The outside unit was just recharged and it's 2 years old but rated for 3.5 tons. So i'm hoping this year we'll have better cooling ability. The past two summers, the a/c hasn't been able to keep the house at a set temp, it just raises slowly. I'm also putting a coating on the skylights that reflects 90% of the light and hopefully the heat. That'll help a bit too.