Weather in El Cajon, California
Wednesday 18 November 2026
20°
Broken clouds
Feels like 19°
- High
- 20°
- Low
- 15°
- Humidity
- 52%
- Wind
- 14 km/h
Temperature and rain / El Cajon
The coming days
High
26°
Low
11°
Average high
20.0°
Average low
14.1°
Total rain
107.8 mm
Average rain
7.2 mm
Air quality - El Cajon
Particles and ozone
Good
9.30 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM1011.70µg/m³
Ozone118µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in El Cajon
Tomorrow in El Cajon, expect Scattered clouds ⛅, with:\n\n- High of 23°\n- Low of 15°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-13