bay area weather September 22, 2024 12:33 pm 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 3:39 Jeff's Forecast: Tracking 2 systems to drop temps by mid-week 2:30 Forecast: Heat advisory today 2:10 Kari's forecast: Heat advisory today 2:55 Rob's forecast: heat advisory to start the week 2:29 Forecast: Fall brings Summer-like temps ahead