NWS San Diego CAXH.W 0010October 5, 2026
Extreme Heat Warning: San Diego County Coastal Areas, CA
The National Weather Service office in San Diego issued an extreme heat warning for San Diego County Coastal Areas in California, in force until 8:00 p.m. local time on October 8. It was the 10th extreme heat warning the NWS office in San Diego issued in 2026. California had 3 extreme heat warnings in October 2026, against 0 in an average October of 2008-2025 (California's extreme heat warnings by year).
Warning
In force for 4 days
The notice
- Issued by
- National Weather Service, San Diego CA
- Area
- San Diego County Coastal Areas
- State
- California
- Level
- Warning
- Issued
- 3:19 a.m. PDT, October 5, 2026
- Expires
- 8:00 p.m. PDT, October 8, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KSGX XH.W 0010
- Official source
- National Weather Service: the notice at its source
Extreme Heat Warnings in California since 2008Every warning type in California
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Dangerously hot conditions with high temperatures ranging from the mid 80s to lower 90s at the beaches to the mid 90s to around 100 for the mesas and other higher coastal terrain. Nights will be very warm with low temperatures in the upper 60s to mid 70s. * WHERE...San Diego County Coastal Areas. * WHEN...Until 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.
What the agency told people to do
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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.
The record around this notice
- Extreme Heat Warnings in California since 200828 a year
- Every warning type in California
- Extreme Heat Warning: what it means, and the states that get the most153 a year
- NWS notices, October 20261,987 in the month
- The latest from the National Weather Service
- Warning, watch or advisory: the three NWS levels