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 2:54 Cinthia's forecast: Bracing for heat for the Bay Area 2:49 Forecast: Slight weekend cooling, heat returns next week 2:34 Forecast: significant heat ahead 2:57 Cinthia's forecast: Mild weekend, heat ahead 2:42 Rob's forecast: slight weekend cooling, heat returns next week