bay area weather April 18, 2024 8:21 am Vianey's forecast: Mostly sunny and warm Sunshine will dominate Thursday, with a few clouds and temperatures reaching into the 70s and 80s. Vianey Arana has your Microclimate forecast. US & World Videos 2:33 Cinthia's forecast: May gray morning, afternoon sun 2:53 Jeff's Forecast: Morning fog returns under cooler system and when it warms 3:44 Forecast: Chilly start to Memorial Day Weekend 2:38 Forecast: Cool start to weekend 1:45 Cinthia's forecast: Cool start to weekend