2 Sonoma County Cities Break Heat Records Monday

SONOMA COUNTY, CA — Two Sonoma County cities were among 11 in the greater Bay Area that set record-high temperatures Monday, according to the National Weather Service.

The high Monday in Santa Rosa reached 112 degrees, breaking the previous record of 101 on Sept. 5, 2008.

Kentfield had a record-high of 107, breaking the previous record of 103 on Sept. 5, 1950.

Elsewhere in the North Bay, Napa reached 109 degrees, breaking the previous record of 102 on Sept. 5 in 2020.

Across the Bay Area, the city of Livermore took top honors with the highest record temperature of 116 degrees, which broke not only the daily record for Sept. 5 but the highest temperature ever recorded in that city. The previous all-time high was 115 recorded in 1950 and the previous record for Sept. 5 was 108, also recorded in 1950.

The highs in Gilroy and Santa Rosa reached 112, which set records for the date and the month. Gilroy's high tied its record for September set in 2017 and 2020.

Eight other cities experienced record heat for the date, ranging from 109 in Napa to 97 in San Francisco.

More records could be broken Tuesday, as heat advisories have been expanded to include San Francisco and the Pacific Coastline.

An excessive heat warning remains in effect through 8 p.m. Thursday for the North Bay.

Bay City News Service contributed to this report.