bay area weather 9 hours ago Forecast: Early fog chance as temps to soar by the weekend Chief Meteorologist Jeff Ranieri has the latest on how much fog you’ll see during the commute and examines the increasing temps this weekend in your seven-day Microclimate Forecast. US & World Videos 1:51 Kari's forecast: Summer heat returns 3:21 Forecast: Hotter Bay Area weekend 2:43 Kari's forecast: Clear and warm 1:54 Kari's forecast: Clearing and warmer 2:39 Jeff's forecast: Big weekend heat on the way