Brentwood is a city of approximately 59,000 people in California, United States. Located in the Pacific Time Zone at 37.9°N latitude.
In 2025, Brentwood averaged an annual temperature of 61°F, with hottest temperatures reaching 103°F in August and lowest around 34°F in February. The city received approximately 19 inches of precipitation during the year.
View historical weather for Brentwood · More cities in California