San Diego's Weather Forecast for Aug. 4, 2021: Heat continues

Sunny beach
Posted at 5:23 AM, Aug 04, 2021
and last updated 2021-08-05 01:22:40-04

The heat peaked today with records in Borrego, Campo, and Palomar Mountain. Thankfully a gradual cool down will follow for the end of the week. We still need to be cautious on Thursday, as temperatures will remain above normal away from the coast.

The Heat Advisory for the inland valleys and mountains has been extended until 8 p.m. Thursday with highs between 88 and 104º.

The Excessive Heat Warning for the deserts is also in effect until Thursday night with highs between 113 to 120º and close to 90º overnight.

It will be a dry heat as the monsoon is nearly absent, and we have slightly cooler ocean water temperatures leading to a more comfortable sea breeze. The winds are also becoming a concern in the afternoon as they gust between 15-35 mph in the mountains and deserts, where the air mass is drier, and the temperatures are hotter. Elevated fire danger will continue until Friday.

The marine layer will spread farther inland each morning into the weekend, clearing out to sunny skies. It is possible it may take longer to break on Thursday with patchy to dense fog in some areas.

Temperatures drop back near average on Friday, with greater cooling into the weekend. Next week we expect seasonal temperatures with no major monsoon activity. It'll be a nice week with more typical San Diego in store.

Thursday's Highs:
Coast: 75-80°
Inland: 88-103°
Mountains: 90-104°
Deserts: 115-120°

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