CA San Diego CA Zone Forecast for Tuesday, October 10, 2017 _____ 538 FPUS56 KSGX 102027 ZFPSGX Zone Forecast Product for Extreme Southwestern California National Weather Service San Diego CA 127 PM PDT Tue Oct 10 2017 CAZ552-111130- Orange County Coastal Areas- Including the cities of Huntington Beach, Costa Mesa, Newport Beach, Laguna Beach, and San Clemente 127 PM PDT Tue Oct 10 2017 .TONIGHT...Partly cloudy in the evening...becoming mostly cloudy. Patchy fog overnight.