Temperatures will hit the low 80s at the coast, mid-90s across inland valleys and foothills, and 113 to 114 in the low deserts.
player ready... San Diego County will experience some of the hottest weather it could get this summer, Tuesday through Thursday, when temperatures rise into the low 80s at the coast, upper 90s and low 100s in inland valleys, and 113 to 114 in the desert, the National Weather Service says.
Much of the heat will arise from the monsoonal moisture that moved into the county Monday afternoon, sparking lightning near Warner Springs. An extreme heat warning will be in effect Wednesday and Thursday.
Forecasters say the worst heat will occur on Wednesday when the temperature hits 101 in Ramona and Campo, 98 in El Cajon, 96 in Escondido, 94 at Palomar Mountain, 92 at Mount Laguna, 88 in Mira Mesa, 82 in Oceanside and San Ysidro, and 81 in San Diego. The dew point will rise into the 64- to 69-degree range in San Diego and other cities, with humidity making it hard for some people to fall asleep.could develop south of the tip of Baja California later this week, says the National Hurricane Center.
It’s not clear whether the system would follow a path that would send strong surf to San Diego County.
United States Latest News, United States Headlines
Similar News: You can also read news stories similar to this one that we have collected from other news sources.
Heat Wave and Storm Forecast for San Diego County, Missing Oceanside MotherThe July 13, 2026 Streamline newsletter covers a heat wave affecting Southern California, with deserts reaching 108 degrees and mountains seeing thunderstorms. Coastal areas will see highs in the mid-70s and rip currents. A beach hazards statement is in effect. The newsletter also reports on a continuing search for an Oceanside mother missing for a week.
Read more »
Monsoonal moisture moving through, as temperatures expected to heat up for San Diego CountyA moisture surge will bring scattered showers and thunderstorms to the San Diego County mountains Monday, as higher temperatures are expected later this week, the National Weather Service said.
Read more »
San Diego County Fair Unveils Bold, Experimental Fair Food Offerings for 2026The 2026 San Diego County Fair in Del Mar features innovative fair food from vendors like Chicken Charlie's, Mom's Bakeshoppe, and Sugar Puff Candy. Highlights include deep-fried tiramisu, chocolate chip croffles, and colorful slushies, blending creativity with flavor in a festive atmosphere.
Read more »
Here is when the newest Trader Joe’s stores in San Diego County could openA representative for the company said coming soon stores tend to be added on the website three to six months before they open.
Read more »




