August 28, 2025

Extreme Heat Watch issued for San Diego County as triple-digit temps loom

Later this week, temperatures in some areas of San Diego County will reach triple digits, leading the National Weather Service to declare an Extreme Heat Watch for the area.

Beginning at 10 a.m. on Thursday and ending at 8 p.m. on Friday, San Diego County’s mountains and deserts are under an Extreme Heat Watch. But during the weekend, temperatures are predicted to stay high.

The NWS advised staying out of the sun, staying in air-conditioned rooms, and drinking lots of water. Extreme heat occurrences are associated with a considerable increase in heat-related illnesses.

High temps Tuesday’s temperatures are predicted to be 78 degrees at the ocean, 78 to 83 degrees inland, 81 to 86 degrees in the western lowlands, 88 to 93 degrees near the foothills, 86 to 95 degrees in the mountains, and 106 to 110 degrees in the deserts.

Inland regions are at risk of monsoonal thunderstorms beginning Thursday and continuing into at least early next week, in addition to the rising temperatures later this week. More information on who might witness a storm or two can be found below: #CAwxpic.twitter.com/fzRthO3I2L

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According to the weather service, mountain highs will surpass 100 degrees by Thursday, with a remote possibility of afternoon showers and thunderstorms. With a prospect of rain, desert temperatures are expected to stay over 110 degrees on Thursday and Friday.

Throughout the weekend, monsoonal moisture may cause afternoon thunderstorms over the deserts and mountains.

This article was provided to by City News Service.

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Kathryn Roebuck

Kathryn Roebuck is an experienced journalist specializing in crime news, finance, and U.S. current affairs. With a keen eye for detail and a commitment to delivering clear, accurate reporting, Kathryn provides insightful coverage that keeps readers informed about the issues that matter most. Her expertise spans complex financial topics, breaking crime stories, and in-depth analysis of national news trends, making her a trusted voice for audiences seeking reliable and engaging news. Based in the United States, Kathryn combines thorough research with compelling storytelling to bring clarity and context to today's fast-paced news landscape.

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