Bay Area can expect rain almost every day this week Published on March 12, 2018 at 06:31PM by By Sarah Ravani Rain should return to the Bay Area almost every day this week, forecasters said, giving the region a much-needed infusion of precipitation. On Monday, patchy fog will reduce visibility throughout the morning, with a chance for showers in the afternoon, according to the National Weather Service. More rain will douse the region in the evening, starting at about midnight, forecasters said. A chance for showers is expected everyday of the week until Friday, the NWS reported. San Francisco, San Jose, Concord, Napa and Livermore will receive about an inch of rain by Thursday, the NWS said.