San Francisco Bay Shoreline, East Bay Interior Valleys, Santa Clara Valley Including San Jose and East Bay Hills as well as San Francisco County are under a heat advisory which was released by the National Weather Service on Monday at 8:04 p.m. The advisory is valid for Tuesday, Sept. 23 between 11 a.m. and 7 p.m.

“Temperatures up to 100 degrees for parts of the East Bay, mid to upper 90’s across portions of the San Francisco Bay Shoreline and the Santa Clara Valley. Mid to upper 80’s over eastern portions of San Francisco,” can be expected according to the NWS San Francisco CA. “The warmest part of the day for the city of San Francisco and adjacent San Francisco Bay Shoreline will be late morning through mid-afternoon when a return of weak onshore flow is expected to bring some relief.”

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