I took this picture when I was driving near UCI on November 19, 2016. The weather was getting cooler from the previous week and at the time I took this picture — about 4:19pm — the temperature was in the low 60s.

I’m thinking these were Altocumulus clouds like these:

You can see more clouds at the National Oceanic and Atmospheric Administration site.

http://www.srh.noaa.gov/srh/jetstream/clouds/cloudwise/types.html