Weather in Simi Valley, California

Tuesday 17 November 2026

17°

Clear sky

Feels like 15°

High
18°
Low
9°
Humidity
56%
Wind
17 km/h

Temperature and rain / Simi Valley

The coming days

High

31°

Low

6°

Average high

20.9°

Average low

12.1°

Total rain

39.7 mm

Average rain

2.6 mm

Air quality - Simi Valley

Particles and ozone

Good
7.50 µg/m³
0-1212-3535-5555+

The air is clean: enjoy the outdoors.

PM108.00µg/m³
Ozone103µg/m³
Data updated hourly

Other cities

Weather in the country's main cities

Frequently asked questions

Quick answers about the weather in Simi Valley

Tomorrow in Simi Valley, expect Clear sky ☀️, with:\n\n- High of 31°\n- Low of 19°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-10