wweather1
wweather1 wweather1
Home → Weather news → Extreme Heat Warning Issued for San Diego County Coastal Areas
🔥 Heat United States

Extreme Heat Warning Issued for San Diego County Coastal Areas

October 5, 2026 · wweather1 editorial · 1 min read

An Extreme Heat Warning has been issued for the San Diego County Coastal Areas, bringing dangerously hot conditions expected to last until Thursday evening.

The National Weather Service in San Diego, California, issued the Extreme Heat Warning on October 4 at 11:32 AM PDT. The warning remains in effect until October 8 at 8:00 PM PDT.

Dangerously hot conditions are expected throughout the affected region. High temperatures will range from the mid 80s to mid 90s at the beaches, and reach the mid 90s to low 100s for the mesas. Nighttime conditions will also remain very warm, with low temperatures mostly in the 70s.

Impacts from the weather event include a significant increase in heat-related illnesses. Additionally, strong winds in the area can make driving difficult, particularly for high-profile vehicles.

Why it is dangerous and what to do

⚠️ Safety
• Drink plenty of fluids and stay in an air-conditioned room.
• Stay out of the sun and check up on relatives and neighbors.
• Do not leave young children and pets in unattended vehicles.
• Use extra caution while driving, especially in high-profile vehicles.
📊 The numbers, from wweather1 data
San Diego: now +22°, Clear.
That is 1° below the October climate norm.
The record for this date is +33° (1950).
Three-day forecast: 13 October: +22°/+16° · 14 October: +27°/+13° · 15 October: +31°/+17°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

Other weather news