Weather on March 23
Simi Valley, CA
55 Years of Data
Avg High
67°F
Avg Low
49°F
Warmest
2022
76°F avg
Coldest
2011
48°F avg
About This Date
March 23rd in Simi Valley, CA typically brings mild spring weather, with average highs around 67°F and lows near 49°F. Over 31 years of records, the warmest March 23rd was in 2022 (76°F average), while the coldest was 2011 (48°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for March 23rd in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
1.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 88° | 59° | 73° | — | — |
| 2025 | 75° | 52° | 63° | — | — |
| 2024 | 57° | 44° | 51° | — | — |
| 2023 | 57° | 43° | 50° | — | — |
| 2022warmest | 85° | 67° | 76° | — | — |
| 2021 | 65° | 44° | 54° | — | — |
| 2020 | 63° | 47° | 55° | — | — |
| 2019 | 61° | 47° | 54° | — | — |
| 2018 | 67° | 48° | 57° | — | — |
| 2017 | 64° | 45° | 54° | — | — |
| 2016 | 72° | 51° | 61° | — | — |
| 2015 | 69° | 50° | 60° | — | — |
| 2014 | 70° | 48° | 59° | — | — |
| 2013 | 80° | 48° | 64° | — | — |
| 2012 | 61° | 48° | 54° | — | — |
| 2011coldest | 55° | 41° | 48° | — | — |
| 2010 | 77° | 51° | 64° | — | — |
| 2009 | 63° | 46° | 54° | — | — |
| 2008 | 84° | 55° | 70° | — | — |
| 2007 | 70° | 55° | 62° | — | — |
| 2006 | 75° | 46° | 61° | — | — |
| 2005 | 57° | 45° | 51° | — | — |
| 2004 | 63° | 54° | 58° | — | — |
| 2003 | 66° | 48° | 57° | — | — |
| 2002 | 57° | 50° | 54° | — | — |
| 2001 | 67° | 47° | 57° | — | — |
| 2000 | 66° | 47° | 56° | — | — |
| 1999 | 54° | 45° | 49° | — | — |
| 1998 | 79° | 54° | 66° | — | — |
| 1997 | 61° | 49° | 55° | — | — |
| 1996 | 59° | 43° | 51° | — | — |
31 years of data from SIMI VALLEY CALIFORNIA