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Excessive Heat in San Diego County Valleys, California
Excessive Heat September 4, 2024 – September 9, 2024 · San Diego County Valleys, California
What the National Weather Service wrote
High temperatures across inland San Diego county valleys reached 100 to 112F from September 4 to 9, 2024. The hottest days were September 6 and 8, when maximum temperatures reached 103 to 110F along I-15 corridor.
The wider storm
A heat wave developed starting Labor Day weekend and peaked the next weekend September 5 to 9, 2024. The hottest days included Ramona reaching 114, Santa Ana 113, and Anaheim an all-time record of 112.
Source: NOAA Storm Events Database, event 1219630. Narratives are written by the National Weather Service forecast office that issued the report.
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