Severe · Extreme Heat WarningActive alert
Extreme Heat Warning issued October 2 at 12:25PM PDT until October 8
Affecting San Diego County Coastal Areas
In effect until: Oct 3, 2026, 5:15 AM
San Diego County Coastal Areas
Likely impact; effects through 5:15 AM.
Stay in air conditioning if possible. Drink water regularly and check on elderly neighbors.
Read the original bulletin (official text)
* WHAT...Dangerously hot conditions with high temperatures ranging from the mid 80s to lower 90s near the coast to the mid 90s to around 102 for the mesas and other higher coastal terrain expected. Nights will be very warm with low temperatures mostly in the 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™