March 6, 2018 7:03 am Chilly Start But Warming Up Nicely NBC Bay Area’s Forecaster Vianey Arana has the details on the Microclimate Forecast. US & World Videos 2:31 Forecast: Rainy Saturday ahead 2:12 Kari's forecast: Rainy Saturday ahead 2:48 Jeff's Forecast: Dry Friday; rain returns this weekend 3:48 Jeff's Forecast: Weekend rain timeline 2:42 Forecast: Warm day, Saturday rain