Downtown San Francisco reached only 10°C (50°F) on Sunday, November 30, 2025 – the city’s lowest daily maximum for the date in records dating back to 1874. The unseasonably cold conditions developed under a persistent marine layer and stagnant air pattern, keeping the city unusually cold for late autumn.
Tornado warnings were issued across parts of Central California, including San Luis Obispo County, as a rare October storm brought heavy rainfall, gusts exceeding 110 km/h (70 mph), and localized flooding on October 13–14, 2025. Evacuation warnings were declared in Los Angeles County for burn-scar areas at risk of debris flows, while forecasters maintained a marginal tornado risk for southern coastal regions.
More than 100 000 customers of Pacific Gas and Electric (PG&E) in the Bay Area of San Francisco remained without power on Tuesday night, February 21, 2023, due to the strong winds that whipped the region.
According to data provided by the National Weather Service, nine cities in San Francisco Bay Area have set daily high temperature records on Sunday, June 18, 2017. Although temperatures remained high through Monday and meteorologists said more records might be…
