https://www.mercurynews.com/2020/09/04/bay-area-weather-list-of-cooling-centers-that-will-be-open-over-the-weekend/

With temperatures expected to exceed 100 degrees in many parts of the Bay Area this weekend, city and county governments have opened cooling centers to reduce the risk of heat illness in people without air conditioning. Face coverings are required.

Here are some cooling center locations: