San Diego Under Heat Advisory as Temperatures Rise
A Heat Advisory has been issued for coastal and inland communities of San Diego County, effective from 10:00 AM Monday, March 16, 2026, until 8:00 PM Friday, March 20, 2026. The National Weather Service warns of significantly warmer temperatures than usual, posing a risk to vulnerable populations.
Temperature Forecast
Temperatures are expected to reach between 79°F and 83°F along the coast, even as inland valleys could see highs between 95°F and 105°F. The warmest conditions are anticipated on Thursday and Friday, with temperatures 15-25°F above normal. National Weather Service Forecast provides detailed hourly and extended forecasts.
Safety Recommendations
The National Weather Service advises residents to accept the following precautions:
- Stay Hydrated: Drink plenty of water throughout the day, even if you don’t feel thirsty.
- Avoid Direct Sun: Limit outdoor activities during peak heat hours. If you must be outside, seek shade and wear protective clothing.
- Check on Vulnerable Individuals: Ensure the well-being of elderly relatives, neighbors, and those with health conditions.
Additional Weather Alerts
A Beach Hazards Statement is also in effect until March 18, 11:00 PM PDT. An Extreme Heat Watch is in effect for the mountains and low deserts starting Thursday. Residents in these areas should monitor official updates from the National Weather Service San Diego.
Current Conditions at San Diego International Airport (as of 10:35 AM PDT, March 16, 2026)
- Condition: Clear
- Temperature: 72°F (22°C)
- Humidity: 60%
- Wind Speed: 3 MPH from the North-Northwest
- Barometer: 30.0 in (1015.92 mb)
- Dewpoint: 57°F (14°C)
- Visibility: 10.00 mi
Resources
For more information and updates, please visit: