Sunset in Ocean Beach on a hot day. File photo by Chris Stone

A record-setting heat wave that sent temperatures soaring into the triple digits in San Diego County last week subsided somewhat on Saturday, but temperatures will remain above average into the new week.

The extended period of extreme heat, which began Monday, is largely over and could be followed by showers and thunderstorms on Sunday, according to the National Weather Service.

“The cooling effect of the deeper marine layer and a weakening high pressure will keep most of the region below heat warning levels,” the weather service said, but cautioned that “the upper deserts will remain quite hot.”

The heat wave was originally expected to break Thursday night, but was extended into late Friday.

Highs on Sunday were expected to be 76 to 81 near the coast and 81 to 86 inland. It will be a little warmer in the western valleys, with highs 84 to 89.

Authorities urge the public to avoid potential health hazards by drinking plenty of water or other non-alcoholic fluids, seeking out shady and air-conditioned environments and checking on relatives and neighbors — particularly the elderly or home-bound people — to ensure they are coping with the heat.

— From Staff and Wire Reports

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