Severe · Extreme Heat WarningActive alert
Extreme Heat Warning issued October 8 at 12:19AM PDT until October 8
Affecting San Diego County Coastal Areas
In effect until: Oct 9, 2026, 3:00 AM
San Diego County Coastal Areas
Likely impact; effects through 3:00 AM.
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
Read the original bulletin (official text)
* WHAT...High temperatures in the lower to mid 90s for the mesas. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™