bay area weather 8 hours ago Cinthia's Forecast: Heat on the way Fall begins today with warm temperatures. Summer heat greets us to start our work week. Cinthia Pimentel tells us how long the hot temperatures stick around in the Microclimate Forecast. US & World Videos 2:55 Rob's forecast: heat advisory to start the week 2:29 Forecast: Fall brings Summer-like temps ahead 3:12 Cinthia's Forecast: Valley heat ahead 2:36 Jeff's Forecast: Morning fog as inland temps heat up 3:29 Jeff's forecast: Heat makes a comeback this weekend