San Francisco December 9, 2018 8:55 am Vianey's Forecast: Cool Sunday Expect a cool day ahead with temperatures topping out in the 60s by the afternoon. Forecaster Vianey Arana has the details in the Microclimate Forecast. US & World Videos 3:19 Bay Area forecast: Clearing, warming ahead 2:51 Cinthia's forecast: Spring storm, cooler temperatures 2:58 Jeff's Forecast: Saturday rain drops temps and brings major Sierra snow 3:25 Bay Area Forecast: Storm brings rain, colder temps and big Sierra snow 2:31 Forecast: Rainy Saturday ahead