A heat wave was expected to hit the Bay Area Monday, pushing some inland temperatures into the triple digits, forecasters said.
Attendees enjoyed the warm weather lining up outside of the Moscone West building for the first day of the Apple Worldwide Developers Conference in San Francisco, Monday, June 8, 2015.
Photo: Jeff Chiu, Associated Press
Blue skies and warm temperatures covered the Bay Area and San Francisco, California, on Monday, June 8, 2015.
Photo: Liz Hafalia, The Chronicle
The Bay Area finally warmed up Monday after riding out a cool, murky May, with inland temperatures soaring above 100 degrees for the first time this year.
Livermore was the region’s hot spot, recording 102 degrees at 3 p.m, according to the National Weather Service. Concord wasn’t far behind at 100 degrees. Santa Rosa saw 96.
“It’s been a while since it’s been warm,” said weather service forecaster Duane Dykema. “Basically, the last five weeks we were below normal.”
Temperatures along San Francisco Bay were slightly cooler. San Jose hit 91 degrees at 3 p.m, according to the weather service, while Oakland International Airport registered 88 degrees. San Francisco reached 76.
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While no heat records were broken by 3 p.m., a heat advisory for much of the area remained in effect through 8 p.m. Higher-than-normal humidity made it feel even warmer than the thermometer let on, forecasters noted.
“Any work that has to be done in areas like the hot East Bay might be best done earlier,” said forecaster Steve Anderson. “And don’t leave your kids and pets in the car.”
The heat spell is expected to be short-lived, however. By Tuesday, temperatures will return to normal, with highs inland in the 80s and coastal spots topping out in the 60s and low 70s, according to the weather service.
The Bay Area also faces a 20 percent chance of — wait for it — actual light rain Tuesday.
That possible moisture was being attributed partially to Tropical Storm Blanca, which was moving north from Baja California toward Arizona on Monday. A low-pressure system in the Pacific was also being watched by forecasters as a possible source of drizzle.
Kurtis Alexander is a San Francisco Chronicle staff writer. E-mail: email@example.com Twitter: @kurtisalexander