December 8, 2017 5:50 pm Jeff's Forecast: Hazy Weekend High pressure will bring sunny dry weather but also poor air quality. Chief Meteorologist Jeff Ranieri tracks your weekend and when December rain may return in your Microclimate Forecast. US & World Videos 2:51 Bay Area forecast: Cool start for Sunday 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