Weather on October 27
Simi Valley, CA
55 Years of Data
Avg High
78°F
Avg Low
58°F
Warmest
2003
83°F avg
Coldest
2004
53°F avg
About This Date
October 27th in Simi Valley, CA typically brings pleasant fall weather, with average highs around 78°F and lows near 58°F. Over 31 years of records, the warmest October 27th was in 2003 (83°F average), while the coldest was 2004 (53°F) — a 30°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 7.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.4°F warmer on this date compared to 20-30 years ago.
Planning for October 27th 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 | 78° | 53° | 66° | — | — |
| 2024 | 79° | 63° | 71° | — | — |
| 2023 | 71° | 53° | 62° | — | — |
| 2022 | 76° | 52° | 64° | — | — |
| 2021 | 84° | 62° | 73° | — | — |
| 2020 | 75° | 59° | 67° | — | — |
| 2019 | 68° | 55° | 62° | — | — |
| 2018 | 93° | 71° | 82° | — | — |
| 2017 | 94° | 71° | 82° | — | — |
| 2016 | 83° | 61° | 72° | — | — |
| 2015 | 82° | 66° | 74° | — | — |
| 2014 | 78° | 55° | 67° | — | — |
| 2013 | 82° | 51° | 67° | — | — |
| 2012 | 90° | 70° | 80° | — | — |
| 2011 | 79° | 52° | 65° | — | — |
| 2010 | 73° | 61° | 67° | — | — |
| 2009 | 73° | 51° | 62° | — | — |
| 2008 | 91° | 57° | 74° | — | — |
| 2007 | 79° | 59° | 69° | — | — |
| 2006 | 84° | 68° | 76° | — | — |
| 2005 | 64° | 52° | 58° | — | — |
| 2004coldest | 55° | 50° | 53° | — | — |
| 2003warmest | 95° | 72° | 83° | — | — |
| 2002 | 68° | 52° | 60° | — | — |
| 2001 | 73° | 52° | 62° | — | — |
| 2000 | 65° | 49° | 57° | — | — |
| 1999 | 77° | 54° | 65° | — | — |
| 1998 | 74° | 54° | 64° | — | — |
| 1997 | 76° | 55° | 65° | — | — |
| 1996 | 66° | 53° | 60° | — | — |
| 1995 | 85° | 65° | 75° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA