Weather in Simi Valley, California
Sunday 15 November 2026
20°
Overcast
Feels like 18°
- High
- 20°
- Low
- 13°
- Humidity
- 78%
- Wind
- 19 km/h
Temperature and rain / Simi Valley
The coming days
High
31°
Low
12°
Average high
23.7°
Average low
14.9°
Total rain
48.6 mm
Average rain
3.2 mm
Air quality - Simi Valley
Particles and ozone
Good
9.40 µg/m³
0-1212-3535-5555+
The air is clean: enjoy the outdoors.
PM1010.00µg/m³
Ozone42µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Simi Valley
Tomorrow in Simi Valley, expect Scattered clouds ⛅, with:\n\n- High of 30°\n- Low of 18°
Need more information?
Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-09