California Moderate Heat Advisory | Effective 09/08/2026 13:52

Headline: 
Heat Advisory issued September 8 at 1:52PM PDT until September 10 at 8:00PM PDT by NWS San Diego CA
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
September 8, 2026 - 1:52pm
Expires: 
September 8, 2026 - 10:30pm
Description: 
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with high temperatures in the mid 80s at the beaches to 90s for higher coastal terrain with low temperatures in the lower to mid 70s. For the Heat Advisory, high temperatures around 80 near the coast to the lower to mid 90s for higher coastal terrain. * WHERE...Orange County Coastal Areas and San Diego County Coastal Areas. * WHEN...For the Extreme Heat Warning, until 8 PM PDT Wednesday. For the Heat Advisory, from 8 PM Wednesday to 8 PM PDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Major to Extreme HeatRisk through Wednesday. Warm overnight low temperature will limit relief from the heat.
Instruction: 
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. If you do not have air conditioning in your home or lack shelter, you can call 211 or visit 211ca.org for assistance locating appropriate shelter from the heat.
Area Description: 
San Diego County Coastal Areas; Orange County Coastal
Forcast Office: 
NWS San Diego CA
Sender: 
w-nws.webmaster@noaa.gov