bay area weather 21 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 2:45 Forecast: Hotter inland, hazy 5:00 Bay Area's autumn heat wave continues with widespread 90s, 100s 2:09 Kari's forecast: Hotter inland, hazy 3:56 Bay Area's autumn heat wave continues with widespread 90s, 100s 2:49 Jeff's Forecast: Heat wave to bring temps as high as 107