bay area weather September 8, 2023 6:40 am Kari's forecast: Warm valleys, mild coast Meteorologist Kari Hall has an update on a slight warm up inland and the fire season so far in the Microclimate Forecast. US & World Videos 2:30 Cinthia's forecast: Frosty morning, warm afternoon 2:52 Jeff's forecast: Plenty of chilly 30s and weekend rain chances 3:16 Jeff's forecast: Cold 30s and weekend rain update 3:02 Forecast: Sunny, dry and cool 2:51 Jeff's Forecast: Heavy jacket weather as frost advisory goes into effect