Weather on March 9
Simi Valley, CA
55 Years of Data
Avg High
69°F
Avg Low
48°F
Warmest
2004
80°F avg
Coldest
2010
21°F avg
About This Date
March 9th in Simi Valley, CA typically brings mild spring weather, with average highs around 69°F and lows near 48°F. Over 30 years of records, the warmest March 9th was in 2004 (80°F average), while the coldest was 2010 (21°F) — a 59°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for March 9th in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 52° | 60° | — | — |
| 2025 | 68° | 50° | 59° | — | — |
| 2024 | 71° | 48° | 60° | — | — |
| 2023 | 66° | 45° | 55° | — | — |
| 2022 | 72° | 47° | 59° | — | — |
| 2021 | 56° | 44° | 50° | — | — |
| 2020 | 67° | 46° | 56° | — | — |
| 2019 | 58° | 42° | 50° | — | — |
| 2018 | 75° | 53° | 64° | — | — |
| 2017 | 79° | 64° | 71° | — | — |
| 2016 | 74° | 50° | 62° | — | — |
| 2015 | 77° | 52° | 64° | — | — |
| 2014 | 83° | 64° | 73° | — | — |
| 2013 | 64° | 41° | 53° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011 | 81° | 55° | 68° | — | — |
| 2010coldest | 57° | -16° | 21° | — | — |
| 2009 | 59° | 46° | 53° | — | — |
| 2008 | 75° | 59° | 67° | — | — |
| 2007 | 63° | 43° | 53° | — | — |
| 2006 | 57° | 45° | 51° | — | — |
| 2005 | 70° | 50° | 60° | — | — |
| 2004warmest | 90° | 70° | 80° | — | — |
| 2003 | 73° | 45° | 59° | — | — |
| 2002 | 70° | 43° | 56° | — | — |
| 2001 | 53° | 43° | 48° | — | — |
| 2000 | 56° | 43° | 49° | — | — |
| 1999 | 55° | 40° | 47° | — | — |
| 1998 | 70° | 50° | 60° | — | — |
| 1997 | 86° | 59° | 73° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA