August 31, 2025

SD County stays hot through Wednesday before temps dip below normal

San Diego County is expected to experience a weather rollercoaster this week, with respite arriving by the weekend after blistering heat in some areas.

The National Weather Service predicts that temperatures will remain high throughout the county until Wednesday, with mountain regions under a heat advisory through Monday night.

As high pressure systems move over the county’s desert areas, an excessive heat warning is in effect through Tuesday evening, making the already harsh conditions even worse.

According to the NWS, Monday’s high temperatures are predicted to be 71 to 76 degrees near the coast, 78 to 82 degrees inland, 81 to 85 degrees in the western lowlands, 89 to 94 degrees near the foothills, 88 to 98 degrees in the mountains, and 111 to 115 degrees in the deserts.

Through the beginning of next week, inland daytime maximum temperatures will continue to be above average, with a significant risk of heat at low elevations in and west of the mountains and a serious danger of heat in the low deserts.#C2sZxGplBQ #CAwxpic.twitter.com

As the weather pattern starts to change, Wednesday is the pivotal day. Temperatures will gradually drop by three to five degrees every day until Friday.

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According to the forecast service, the maritime layer will get stronger and move farther inland every morning, chilling more places.

By the weekend, temperatures are predicted to fall 5–10 degrees below average. According to meteorologists, this below-normal trend is expected to persist into the first part of next week.

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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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