Weather on October 25
Simi Valley, CA
55 Years of Data
Avg High
77°F
Avg Low
59°F
Warmest
2017
87°F avg
Coldest
2021
53°F avg
About This Date
October 25th in Simi Valley, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 59°F. Over 31 years of records, the warmest October 25th was in 2017 (87°F average), while the coldest was 2021 (53°F) — a 34°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.6°F warmer on this date compared to 20-30 years ago.
Planning for October 25th in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
2.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 57° | 66° | — | — |
| 2024 | 89° | 68° | 79° | — | — |
| 2023 | 72° | 56° | 64° | — | — |
| 2022 | 81° | 59° | 70° | — | — |
| 2021coldest | 56° | 50° | 53° | — | — |
| 2020 | 61° | 53° | 57° | — | — |
| 2019 | 91° | 76° | 83° | — | — |
| 2018 | 85° | 60° | 72° | — | — |
| 2017warmest | 96° | 79° | 87° | — | — |
| 2016 | 75° | 57° | 66° | — | — |
| 2015 | 82° | 70° | 76° | — | — |
| 2014 | 84° | 61° | 72° | — | — |
| 2013 | 80° | 50° | 65° | — | — |
| 2012 | 77° | 55° | 66° | — | — |
| 2011 | 61° | 55° | 58° | — | — |
| 2010 | 72° | 59° | 65° | — | — |
| 2009 | 85° | 68° | 76° | — | — |
| 2008 | 84° | 57° | 71° | — | — |
| 2007 | 90° | 64° | 77° | — | — |
| 2006 | 72° | 50° | 61° | — | — |
| 2005 | 64° | 54° | 59° | — | — |
| 2004 | 66° | 54° | 60° | — | — |
| 2003 | 95° | 70° | 82° | — | — |
| 2002 | 61° | 52° | 56° | — | — |
| 2001 | 75° | 50° | 63° | — | — |
| 2000 | 71° | 52° | 61° | — | — |
| 1999 | 87° | 69° | 78° | — | — |
| 1998 | 70° | 54° | 62° | — | — |
| 1997 | 69° | 57° | 63° | — | — |
| 1996 | 67° | 47° | 57° | — | — |
| 1995 | 80° | 60° | 70° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA