Ontario, California 7-day weather forecast
Monday 9 November 2026 | 22:17
24°
Clear sky
Feels like 20°
- High
- 30°
- Low
- 12°
- Humidity
- 19%
- Wind
- 9 km/h
7-day forecast
14 daysHourly forecast
DetailsOntario rain radar
Temperature and rain / Ontario
The coming days
High
30°
Low
12°
Average high
23.8°
Average low
16.4°
Total rain
54.9 mm
Average rain
3.7 mm
Air quality - Ontario
Particles and ozone
Good
8.00 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM108.40µg/m³
Ozone69µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Ontario
Tomorrow in Ontario, expect Scattered clouds ⛅, with:\n\n- High of 30°\n- Low of 17°
Need more information?
Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-10