Weather in Rancho Cucamonga, California
Sunday 15 November 2026 | 03:39
19°
Clear sky
Feels like 17°
- High
- 20°
- Low
- 14°
- Humidity
- 52%
- Wind
- 10 km/h
Rancho Cucamonga: the next 12 hours at a glance
- No rain expected in the next 12 hours.
- Up to 21° around 13:00.
- Best time to go out: around 12:00 (20°).
Temperature and rain / Rancho Cucamonga
The coming days
High
23°
Low
12°
Average high
19.3°
Average low
13.5°
Total rain
24.8 mm
Average rain
1.7 mm
Air quality - Rancho Cucamonga
Particles and ozone
Good
8.70 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM1012.90µg/m³
Ozone96µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Rancho Cucamonga
Tomorrow in Rancho Cucamonga, expect Overcast ☁️, with:\n\n- High of 21°\n- Low of 12°
Need more information?
Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-15