Heat Advisory in Effect for San Francisco Through Thursday
San Francisco and the greater Bay Area are under a Heat Advisory through Thursday, October 8, 2026, as temperatures soar well above seasonal averages. Residents are experiencing what is often referred to as the city's 'true summer season' in October. Popular outdoor spots like Crissy Field and Marina Green have been bustling with activity as people seek to enjoy the warm weather. However, the heat has also posed challenges for those without air conditioning, prompting health officials to issue safety recommendations.