Weather on March 11
Simi Valley, CA
55 Years of Data
Avg High
68°F
Avg Low
50°F
Warmest
2007
78°F avg
Coldest
2006
41°F avg
About This Date
March 11th in Simi Valley, CA typically brings mild spring weather, with average highs around 68°F and lows near 50°F. Over 30 years of records, the warmest March 11th was in 2007 (78°F average), while the coldest was 2006 (41°F) — a 37°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.6°F cooler on this date compared to 20-30 years ago.
Planning for March 11th in Simi Valley, CA? Great weather for outdoor activities.
Cooling Trend
2.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 81° | 51° | 66° | — | — |
| 2025 | 53° | 43° | 48° | — | — |
| 2024 | 64° | 42° | 53° | — | — |
| 2023 | 57° | 52° | 54° | — | — |
| 2022 | 68° | 51° | 60° | — | — |
| 2021 | 50° | 37° | 44° | — | — |
| 2020 | 67° | 52° | 59° | — | — |
| 2019 | 56° | 45° | 50° | — | — |
| 2018 | 62° | 51° | 57° | — | — |
| 2017 | 82° | 63° | 72° | — | — |
| 2016 | 61° | 45° | 53° | — | — |
| 2015 | 68° | 62° | 65° | — | — |
| 2014 | 73° | 58° | 65° | — | — |
| 2013 | 77° | 55° | 66° | — | — |
| 2012 | 63° | 45° | 54° | — | — |
| 2011 | 70° | 48° | 59° | — | — |
| 2010 | 66° | 44° | 55° | — | — |
| 2009 | 57° | 39° | 48° | — | — |
| 2008 | 79° | 57° | 68° | — | — |
| 2007warmest | 90° | 66° | 78° | — | — |
| 2006coldest | 45° | 37° | 41° | — | — |
| 2005 | 84° | 48° | 66° | — | — |
| 2004 | 86° | 54° | 70° | — | — |
| 2003 | 73° | 52° | 62° | — | — |
| 2002 | 77° | 48° | 63° | — | — |
| 2001 | 52° | 44° | 48° | — | — |
| 2000 | 79° | 58° | 68° | — | — |
| 1999 | 50° | 39° | 45° | — | — |
| 1998 | 80° | 61° | 70° | — | — |
| 1997 | 84° | 58° | 71° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA