03/18/2026 10:00 AM PDT
Heat Advisory Issued Today for San Diego County Mountains
The National Weather Service has issued a Heat Advisory with temperatures in the lower to mid-90s below 4,500 feet and in the 80s from 4,500 to 6,500 feet possible in the San Diego County Mountains, beginning at 10:00 a.m. today.
- Stay inside or under shaded areas.
- Drink lots of water.
- If you feel sick from the heat, call 9-1-1.
- Never leave young children or pets alone in vehicles.
Visit the San Diego County Library website to find a cool location near you.
Visit the San Diego National Weather Service for more information and a map.
Follow @NWSSanDiego for updates.