Fullerton, California 14-day weather forecast
Sunday 8 November 2026 | 12:42
30°
Clear sky
Feels like 26°
- High
- 31°
- Low
- 16°
- Humidity
- 15%
- Wind
- 9 km/h
14-day forecast / Fullerton
The trend for the next two weeks
- Today7 NovClear sky31° / 16°0 mm0%9 – 13 km/hNorth5Moderate
- Tomorrow8 NovClear sky32° / 17°0 mm0%13 – 18 km/hEast5Moderate
- Monday9 NovScattered clouds30° / 18°0 mm0%8 – 11 km/hSouth-East5Moderate
- Tuesday10 NovBroken clouds29° / 22°0 mm0%6 – 9 km/hNorth-West4Moderate
- Wednesday11 NovClear sky31° / 22°0 mm0%8 – 11 km/hNorth5Moderate
- Thursday12 NovClear sky29° / 21°0 mm10%8 – 11 km/hSouth4Moderate
- Friday13 NovFew clouds29° / 21°0 mm23%7 – 10 km/hSouth4Moderate
- Saturday14 NovDrizzle23° / 18°5.7 mm32%10 – 14 km/hSouth2Low
- Sunday15 NovLight drizzle22° / 18°3.8 mm50%10 – 15 km/hSouth4Moderate
- Monday16 NovBroken clouds21° / 17°2.5 mm50%10 – 14 km/hSouth-West4Moderate
- Tuesday17 NovOvercast22° / 17°0 mm28%9 – 12 km/hSouth4Moderate
- Wednesday18 NovScattered clouds21° / 18°0 mm9%13 – 18 km/hWest4Moderate
- Thursday19 NovBroken clouds21° / 16°0 mm13%7 – 9 km/hSouth-West3Moderate
- Friday20 NovScattered clouds24° / 16°0 mm19%6 – 8 km/hNorth4Moderate
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
Weather nearby
More cities in United StatesWeather guides
All articles
When does winter start 2026? First day of winter and solsticeWinter 2026 starts in the Northern Hemisphere on Monday, December 21, 2026, at 3:50 p.m. EST (20:50 UTC), the...
What is a DANA in Spain? The cold drop storm explainedA DANA is a cut-off low: a pocket of very cold air high in the atmosphere, about 5,000 to 9,000 meters (16,000...
Yellow, amber and red weather warnings: what each color meansA yellow weather warning means weather that could cause some disruption or danger, usually for specific places...
Other cities
Weather in the country's main cities
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°
Need more information?
Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-08