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San Diego's Weather Forecast for Monday, October 4, 2021: Showers and Thunderstorms Possible

Posted at 8:51 AM, Oct 04, 2021
and last updated 2021-10-04 20:35:55-04

Showers and thunderstorms have started to develop this afternoon, slowing down traffic. Expect to see more showers along with isolated thunderstorms through Tuesday morning, for the east county the chance may last into the early part of the afternoon.

A low-pressure system sitting just off the coast of Baja will slowly move northeast, bringing the chance for unsettled conditions tonight into early Tuesday. We can expect scattered showers and isolated thunderstorms. The storm will also introduce cooler conditions set to last the entire week. Accumulation will range from 0.10-0.50". The heaviest amounts will be for the coast and valleys. 

The weather will improve Tuesday afternoon, with most areas turning mostly sunny. Temperatures will drop about 5 to 10 degrees on Tuesday, but more wet weather is on the way. 

We do have another chance for rain late Wednesday into Thursday. It's possible rain totals will be similar averaging between a tenth of an inch to a quarter of an inch. 

Temperatures will continue to plummet late week. Thursday and Friday will be a lot colder, trending 10 to 15 degrees below normal, that means average highs in the upper 60s from the coast to the foothills, 50s in the mountains, and 80s in the deserts. 

The cool air will be replaced by warmer conditions for the weekend, with drier conditions in the county.

Tuesday's Highs:
Coast: 70-75°
Inland: 76-81°
Mountains: 70-77°
Deserts: 88-92°

Follow ABC 10News Meteorologist Angelica Campos on Facebook & Instagram @Camposcrusher and Twitter @10NewsCampos