Weather on November 17
Simi Valley, CA
55 Years of Data
Avg High
71°F
Avg Low
53°F
Warmest
2019
79°F avg
Coldest
2025
50°F avg
About This Date
November 17th in Simi Valley, CA typically brings pleasant fall weather, with average highs around 71°F and lows near 53°F. Over 31 years of records, the warmest November 17th was in 2019 (79°F average), while the coldest was 2025 (50°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for November 17th in Simi Valley, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025coldest | 54° | 47° | 50° | — | — |
| 2024 | 66° | 51° | 59° | — | — |
| 2023 | 71° | 55° | 63° | — | — |
| 2022 | 72° | 56° | 64° | — | — |
| 2021 | 71° | 47° | 59° | — | — |
| 2020 | 80° | 61° | 70° | — | — |
| 2019warmest | 87° | 72° | 79° | — | — |
| 2018 | 71° | 52° | 61° | — | — |
| 2017 | 69° | 54° | 61° | — | — |
| 2016 | 65° | 49° | 57° | — | — |
| 2015 | 73° | 49° | 61° | — | — |
| 2014 | 72° | 57° | 64° | — | — |
| 2013 | 66° | 49° | 57° | — | — |
| 2012 | 61° | 54° | 57° | — | — |
| 2011 | 72° | 50° | 61° | — | — |
| 2010 | 73° | 44° | 59° | — | — |
| 2009 | 77° | 48° | 63° | — | — |
| 2008 | 90° | 64° | 77° | — | — |
| 2007 | 66° | 50° | 58° | — | — |
| 2006 | 77° | 54° | 65° | — | — |
| 2005 | 81° | 68° | 74° | — | — |
| 2004 | 73° | 54° | 63° | — | — |
| 2003 | 64° | 45° | 54° | — | — |
| 2002 | 73° | 50° | 62° | — | — |
| 2001 | 76° | 59° | 67° | — | — |
| 2000 | 60° | 49° | 54° | — | — |
| 1999 | 69° | 51° | 60° | — | — |
| 1998 | 61° | 49° | 55° | — | — |
| 1997 | 72° | 52° | 62° | — | — |
| 1996 | 64° | 49° | 56° | — | — |
| 1995 | 79° | 56° | 67° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA