Fullerton, California 7-day weather forecast
Saturday 7 November 2026 | 20:41
30°
Clear sky
Feels like 26°
- High
- 31°
- Low
- 16°
- Humidity
- 15%
- Wind
- 9 km/h
7-day forecast
14 daysHourly forecast
DetailsFullerton rain radar
Temperature and rain / Fullerton
The coming days
High
32°
Low
16°
Average high
26.1°
Average low
18.3°
Total rain
12.0 mm
Average rain
0.8 mm
Air quality - Fullerton
Particles and ozone
Good
5.20 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM105.60µg/m³
Ozone100µg/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 32°\n- Low of 17°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-08