bay area weather 14 hours ago Autumn heat wave bakes the Bay Area The hottest day of the year in parts of the Bay Area is happening in October, not the middle of summer. Emma Goss reports. US & World Videos 2:49 Jeff's Forecast: Heat wave to bring temps as high as 107 3:21 October heat wave in the Bay Area 5:15 Historic October heat in the Bay Area 3:26 Vianey's forecast: Heat wave persists 2:44 Forecast: Excessive heat and hazy sky