Weather World
City of Simi Valley, CASimi Valley, CA Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Simi Valley Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  |  | | | | | | |  | |  |
| Partly Cloudy | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Hi: 70°FHi: 21°C | Lo: 53°FLo: 12°C | Hi: 75°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 76°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 73°FHi: 23°C | Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1129 AM PDT Fri Oct 23 2026 
Simi Valley Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Simi Valley Weather Map
Simi Valley Quick Facts
Simi Valley Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 130 PM PDT Fri Oct 23 2026
Aviation
...23/1712Z.
At 1633Z at KLAX, there was no marine layer nor an inversion.
Generally high confidence in VFR TAFs, with very brief MVFR cigs possible at times for all sites except for KWJF/KPMD through this tonight. 10% chance for -SHRA at KBUR/KVNY through this evening, 5% chance for remaining LA County sites.
KLAX...High confidence in TAF. VFR conds expected with brief periods of MVFR cigs possible through tonight. 5% chance of brief -SHRA through this evening. Good confidence that any eas...