Here are the malls that are open today, based on the search results:

• Great Mall in Milpitas, CA
• Weberstown Mall in Stockton, CA
• Westminster Mall in Orange County, CA
• Solano Town Center in Fairfield, CA
• Serramonte Center in Daly City, CA

Its important to note that this information is based on the search results and may not be comprehensive or up-to-date. Its always a good idea to check with the mall directly or their website for the most accurate and current information on their hours of operation.