weather in costa mesa ca
0am:The Costa Mesa, CA forecast for Mar 22 is 58 degrees and Patchy rain possible. There is 89 percentage chance of rain and 4 mph winds from the Southeast. 3am:The Costa Mesa, CA forecast for Mar 22 is 56 degrees and Light rain shower. There is 91 percentage chance of rain and 3 mph winds from the South-Southeast. 6am:The Costa Mesa, CA forecast for Mar 22 is 56 degrees and Overcast. There is 93 percentage chance of rain and 4 mph winds from the South. 9am:The Costa Mesa, CA forecast for Mar 22 is 59 degrees and Light rain shower. There is 89 percentage chance of rain and 7 mph winds from the Southwest.