San Diego's Weather Forecast for Aug. 5, 2021: Last day of above normal heat

Posted at 5:05 AM, Aug 05, 2021
and last updated 2021-08-06 02:28:44-04

Today was the last day of the heatwave, with improving conditions continuing into the weekend.

The marine layer is becoming more prominent with clouds expected at night and early morning, patchy dense fog is also possible from the coast to the western valleys. The marine layer will be accompanied by a westerly breeze making the weather feel much better. Recent up welling has allowed the ocean temperatures to drop about 7 degrees making a big difference all over the county. specially near the coast.

In the mountains the air mass is drier, due to the lack of monsoon moisture. Due to the heat, strong onshore winds, and low humidity levels elevated fire danger will continue into next week. Please avoid using any machinery that could start a fire. Monsoon moisture will return later next week, but in the meantime let's stay weather ready.

Temperatures will trend back near to even a few degrees below average by the weekend when we'll see 70s and 80s for most of the county. The latest ridge of high pressure, will break down allowing temperatures to improve into next week.

Temperatures start to warm back up by midweek next week, and monsoon moisture could bring back the chance for thunderstorms by the end next week.

Friday's Highs:
Coast: 71-77°
Inland: 84-95°
Mountains: 88-103°
Deserts: 113-118°

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