Weather in Fullerton, California
Friday 6 November 2026 | 21:32
29°
Clear sky
Feels like 27°
- High
- 29°
- Low
- 13°
- Humidity
- 17%
- Wind
- 6 km/h
Fullerton: the next 12 hours at a glance
- No rain expected in the next 12 hours.
- Up to 20° around 08:00.
- Best time to go out: around 08:00 (20°).
Temperature and rain / Fullerton
The coming days
High
31°
Low
13°
Average high
26.3°
Average low
18.5°
Total rain
0.6 mm
Average rain
0.0 mm
Air quality - Fullerton
Particles and ozone
Good
3.10 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM103.40µg/m³
Ozone98µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Fullerton
Tomorrow in Fullerton, expect Clear sky ☀️, with:\n\n- High of 30°\n- Low of 16°
Need more information?
Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-07