Bay Area weather: Memorial Day temperatures set record highs

As some cities around the Bay Area broke temperature records on Memorial Day, a heat advisory issued by the National Weather Service is expected to last until Thursday evening.

New records included downtown Oakland, which reached highs of 91 degress Monday, breaking its record of 90 degress on the same day in 1975. In San Francisco, the temperature reached 90 degrees at the San Francisco, breaking its 1951 same-day record of 87 degrees. Kentfield saw the temperature reach 95 Monday — 3 degrees warmer than its 1992 record of 92 degrees on the same date.

San Jose and Gilroy both tied their previous record highs — reaching 95 and 98 degrees, respectively, and the same temperatures they reached in 1982 on May 25.

But temperatures were expected to get even warmer in the days ahead, with the National Weather Service projecting Tuesday and Wednesday to be the hottest days. The service issued a heat advisory, warning Bay Area residents of an “increased risk of heat illness” that went into effect 11 a.m. Monday and is slated to last until 7 p.m. Thursday.

In the interior valleys of the East Bay, the National Weather Service is forecasting temperatures to reach around 102 degrees on Tuesday and Wednesday, dropping just slightly to highs of between 94 and 100 degress on Thursday. Nighttime temperatures are expected to be in the low to mid 60s. The Diablo hills will be somewhat cooler, with temperature highs in the 90s on Tuesday, dropping to ranges of mid 80s to low 90s on Wednesday and Thursday.

Around the Bay, temperatures are expected to vary between the mid 80s and mid 90s. National Weather Service forecasters expect Oakland to reach high temperatures in the upper 80s Tuesday, while Fremont, Redwood City and Mountain View will get into the low to mid-90s.

In San Jose and the rest of the South Bay that lays below 1,000 feet, temperatures are expected to reach the upper 90s on Tuesday through Thursday.

The Peninsula coast will be much cooler, with highs in the mid 70s to low 80s, and lows in the mid 50s.

The high temperatures prompted the Bay Area Air Quality Management District to issue a “Spare the Air” alert Monday, urging people to avoid by being outside during the hottest part of the day due to the ozone. The alert was slated to last through Tuesday.

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Author: Annie Sciacca