Weather
Scorching Temperatures Trigger Heat Advisory, Extreme Heat Warning In Parts Of San Diego County
Residents should drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun, and check on relatives and neighbors.
SAN DIEGO, CA — Soaring summer temperatures will continue to rise this week, triggering a heat advisory and an extreme heat warning for parts of San Diego County.
The National Weather Service issued an extreme heat warning from 10 a.m. Wednesday until 8 p.m. Friday for the county deserts. Dangerously hot conditions with temperatures up to 118 degrees are expected.
Meanwhile, San Diego mountains and valleys will be under a heat advisory from 10 a.m. Wednesday until 8 p.m. Friday. Temperatures are expected up to 100 degrees in the mountains and up to 102 degrees in the inland valleys, according to the NWS.
Find out what's happening in San Diegofor free with the latest updates from Patch.
"Heat-related illnesses increase significantly during extreme heat events," forecasters warned.
Weather officials advised residents to drink plenty of fluids, stay in air-conditioned rooms, stay out of the sun, and check on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances.
Find out what's happening in San Diegofor free with the latest updates from Patch.
Significant heat is returning to Southern California later this week, peaking Thursday. Inland areas will reach into the mid-90s to mid-100s while the low deserts reach above 115°F. Temperatures gradually cool into the weekend. Stay hydrated! pic.twitter.com/w7BlpmXFDV
— NWS San Diego (@NWSSanDiego) August 4, 2025
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