The jury decided Bayer, which bought Roundup-maker Monsanto for $66 billion, is liable because of past failures to warn about the health risks.
The World Health Organization has decided that Roundup may potentially cause cancer.
It is the third court award against Bayer. DeWayne Lee Johnson, a school custodian, won an award of $289 million, subsequently capped at $78.5 million, and Edwin Hardeman was awarded $80 million earlier this year.