Multiple heat advisories and warnings are in effect across the county through the weekend, where San Diegans may see close to triple digits for some inland locations. Stream San Diego News for free, 24/7, wherever you are with NBC 7. pic.twitter.com/ItZeQSjveG — NWS San Diego (@NWSSanDiego) July 29, 2026High temperatures in the mid-90s are forecast in the western valleys, with temperatures climbing to around 105 near the foothills. The inland valleys will be added to that warning on Friday, while coastal areas will see a heat advisory take effect through Sunday. A high surf advisory is in effect along the San Diego County coast.