Bay Area, Central Coast To Again Sizzle As Rare March Heat Wave Breaks Records

CBS Bay Area

March 18, 2026

High temperatures in the San Francisco Bay Area and Central Coast are expected to reach the 80s and 90s in many locations Wednesday, as a rare heat wave in March has already broken records.

According to the National Weather Service, several daily temperature records and a few monthly temperature records were broken on Tuesday, which was also St. Patrick's Day. In Redwood City, the high on Tuesday reached 93 degrees, breaking the March record of 90 degrees set on Monday.

In San Francisco, Tuesday's high was 86 degrees, breaking the record of 85 degrees set in 1914. Other locations that saw record temperatures included Santa Rosa (90), San Rafael (87), San Francisco International Airport (85), the Oakland Museum (89) and the Salinas Airport (92).

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