Weather in Tustin, California
Saturday 21 November 2026
19°
Few clouds
Feels like 17°
- High
- 19°
- Low
- 14°
- Humidity
- 62%
- Wind
- 15 km/h
Temperature and rain / Tustin
The coming days
High
30°
Low
14°
Average high
21.4°
Average low
15.5°
Total rain
28.4 mm
Average rain
1.9 mm
Air quality - Tustin
Particles and ozone
Moderate
17.10 µg/m³
0-1212-3535-5555+
Acceptable; sensitive people should take care.
PM1019.60µg/m³
Ozone77µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Tustin
Tomorrow in Tustin, expect Scattered clouds ⛅, with:\n\n- High of 25°\n- Low of 17°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-12