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Hottest Temperatures of the Week Expected in San Diego County

The hottest temperatures of the week are expected Wednesday throughout San Diego County, but relief will arrive this weekend, according to the National Weather Service.

High pressure over Baja California will keep temperatures warm through Friday throughout the county, then temperatures will drop quickly and return to around seasonal average on Sunday, forecasters said.

A heat advisory is in effect until 9 p.m. Friday in the western valleys and an excessive heat watch will also last until 9 p.m. Friday in the deserts.

High temperatures Wednesday are forecast to reach 82 degrees near the coast, 90 inland, 96 in the western valleys, 95 in the mountains and 110 in the deserts.

Extreme Heat Expected in San Diego County Deserts Through Friday

Extreme heat is expected in the San Diego County deserts Monday and the triple-digits temperatures won’t let up until this weekend, according to the National Weather Service.

High pressure will weaken Monday and cause a slight dip in temperatures, but conditions will strengthen on Tuesday and bring temperatures back up through Friday, forecasters said.

The NWS issued an excessive heat warning that will last until 9 p.m. Thursday in the county deserts.

High temperatures Monday could reach 81 degrees near the coast and inland, 84 in the western valleys, 82 in the mountains and 101 in the deserts.