bay area weather March 21, 2025 6:40 pm Forecast: Clouds Saturday as temps warm Sunday Chief Meteorologist Jeff Ranieri tracks how much cloud cover Saturday. Plus, details on the much warmer weather Sunday and Monday in your 7 day Microclimate Forecast. US & World Videos 3:20 Forecast: Mostly sunny, then rain chances 2:30 Cinthia's forecast: Spring warmth is here 2:54 Jeff's Forecast: Early fog and much warmer afternoon 70s 3:32 Jeff's Forecast: Warming weekend and when rain returns 1:32 Forecast: Warm and sunny weekend