More Heat on Tap for San Diego County as High Pressure Builds Over Region

Beachgoers pack Ocean Beach Pier to beat the heat. Photo by Chris Stone

Summer may have ended, but that doesn’t mean we’re done with the heat.

Forecasters said Friday temperatures will be on the rise through the weekend, leading to excessive heat watches in some parts of San Diego County by Sunday.

Here we go… another heat wave incoming Temperatures will begin increasing on Saturday, and will peak Monday and Tuesday, with high temperatures up to 15 degrees above average. Remember to stay hydrated, limit your time outside, and check up on those neighbors! #cawx

— NWS San Diego (@NWSSanDiego) September 23, 2022

According to the National Weather Service, a high-pressure system is building over the region, bringing temperatures that are expected to be 8 to 15 degrees above normal starting Saturday.

Temperatures will be hottest on Monday and Tuesday when highs push into the 90s to around 110 degrees across the mountains and deserts, according to the NWS. Forecasters have announced an excessive heat warning Sunday morning through Tuesday night for the San Diego County deserts.

Forecasters also announced an excessive heat watch Monday morning through Wednesday evening for San Diego County valleys and coastal areas. Temperatures could reach triple-digits inland in cities such as Escondido, El Cajon, San Marcos, La Mesa, Santee and Poway, while coastal areas could reach into the 90s.

“Be prepared to drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors,” the NWS advised. “Young children and pets should never be left unattended in vehicles under any circumstances.”

Temperatures are expected to cool Thursday into next weekend, although forecasters said uncertainty remains in just how much cooling will occur.

City News Service contributed to this article.