Weather on April 11
Simi Valley, CA
55 Years of Data
Avg High
71°F
Avg Low
50°F
Warmest
2025
74°F avg
Coldest
1999
45°F avg
About This Date
April 11th in Simi Valley, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 50°F. Over 30 years of records, the warmest April 11th was in 2025 (74°F average), while the coldest was 1999 (45°F) — a 29°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
Planning for April 11th in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
4.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 85° | 63° | 74° | — | — |
| 2024 | 86° | 56° | 71° | — | — |
| 2023 | 78° | 52° | 65° | — | — |
| 2022 | 70° | 46° | 58° | — | — |
| 2021 | 81° | 52° | 66° | — | — |
| 2020 | 71° | 50° | 61° | — | — |
| 2019 | 75° | 54° | 64° | — | — |
| 2018 | 80° | 49° | 64° | — | — |
| 2017 | 72° | 51° | 61° | — | — |
| 2016 | 71° | 52° | 61° | — | — |
| 2015 | 77° | 50° | 64° | — | — |
| 2014 | 84° | 54° | 69° | — | — |
| 2013 | 79° | 51° | 65° | — | — |
| 2012 | 57° | 48° | 53° | — | — |
| 2011 | 68° | 46° | 57° | — | — |
| 2010 | 57° | 49° | 53° | — | — |
| 2009 | 63° | 45° | 54° | — | — |
| 2008 | 84° | 54° | 69° | — | — |
| 2007 | 64° | 48° | 56° | — | — |
| 2006 | 61° | 50° | 55° | — | — |
| 2005 | 73° | 50° | 62° | — | — |
| 2004 | 82° | 52° | 67° | — | — |
| 2003 | 66° | 48° | 57° | — | — |
| 2002 | 73° | 48° | 61° | — | — |
| 2001 | 52° | 43° | 47° | — | — |
| 2000 | 87° | 58° | 72° | — | — |
| 1999coldest | 47° | 43° | 45° | — | — |
| 1998 | 50° | 45° | 47° | — | — |
| 1997 | 72° | 47° | 59° | — | — |
| 1996 | 72° | 49° | 60° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA