Saturday will be sunny with highs in the upper 50s, approaching 90s inland. Northwest winds will be 10 to 20 mph.
Saturday night will be mostly clear with lows in the lower 50s. West winds will be 10 to 20 mph.
Sunday will be sunny and breezy. Highs will be in the upper 50s to the mid-80s. West winds will be 10 to 20 mph, increasing to 20 to 30 mph in the afternoon.
Large portions of the East Bay hills and valleys, as well as the North Bay hills, are under a Red Flag Warning until Monday evening. The National Weather Service forecasts peak gusts after sunset in excess of 60 mph in some locations.
Nik Wojcik of SFBay contributed to this report.