bay area weather 20 hours ago Forecast: Heat advisory, gradual cooling ahead A heat advisory remains in effect for much of the Bay Area with 90s and some 100s ahead of gradual cooling. Vianey Arana has the Microclimate Forecast. US & World Videos 2:46 Jeff's Forecast: Temps to drop with a shower chance this week & Hurricane Milton 3:52 Jeff's forecast: Cooler temps 3:01 October heat brings extreme fire danger 2:40 Vianey's forecast: Heat advisory, gradual cooling ahead 2:46 Bay Area heat wave: Warnings downgraded to advisories