Triple-digit highs forecast as San Diego County braces for heat wave next week

It’s time to go outside and enjoy near-average temperatures through Monday in San Diego County, with night and morning low clouds lingering along the coast.

Highs on Sunday are expected to reach 74 near the coast, 80 inland, 79 to 83 in the western valleys, 87 to 92 near the coast, 86 to 96 in the mountains and 108 to 113 in the deserts, according to the National Weather Service.

We hope you’re enjoying the weekend 😎 High temperatures will be near average today before we warm it up a bit next week. #CAwxpic.twitter.com/j9gPpzyDtp

— NWS San Diego (@NWSSanDiego) July 5, 2025

Conditions are set to change early next week, as a strengthening high-pressure system over the Desert Southwest brings significantly hotter weather inland…

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