Multiple Bay Area heat records matched or broken Sunday across region amid heat wave

eat records were matched or broken Sunday across the Bay Area and beyond, surpassing temperatures from a heat wave that hit nearly 100 years ago, according to the National Weather Service.

San Rafael hit the highest temps in the Bay Area on Sunday, at 107 degrees. The closest temperature match there was when the city was 95 degrees back in 2023. Also in Marin, the town of Kentfield hit 102, beating out the previous high of 97 in 1930.

In Sonoma County, Santa Rosa reached 102 degrees, matching the same temps for this day in 1930.

In Napa County, highs at Napa State Hospital topped 102, also beating out the heat wave of 1930 when it was measured at 96 degrees.

Downtown San Francisco also beat its previous record of 94 in 1992, by reaching 97 degrees. At the airport it was 98 degrees, beating 2023's high of 92.

In the South Bay, Redwood City reached 102 degrees, 3 degrees higher than its record of 99 in 1987. San Jose hit 103, beating out 2023's 95-degree record. And the Salinas airport clocked a high of 98 degrees, matching 2023's high.

The NWS notes that all these numbers are preliminary and official temps will be released from the National Centers for Environmental Information.