Weather on March 4
Simi Valley, CA
55 Years of Data
Avg High
64°F
Avg Low
45°F
Warmest
2012
73°F avg
Coldest
2010
1°F avg
About This Date
March 4th in Simi Valley, CA typically brings mild spring weather, with average highs around 64°F and lows near 45°F. Over 30 years of records, the warmest March 4th was in 2012 (73°F average), while the coldest was 2010 (1°F) — a 72°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for March 4th in Simi Valley, CA? Great weather for outdoor activities.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 67° | 54° | 60° | — | — |
| 2025 | 66° | 45° | 55° | — | — |
| 2024 | 61° | 43° | 52° | — | — |
| 2023 | 56° | 42° | 49° | — | — |
| 2022 | 61° | 44° | 52° | — | — |
| 2021 | 66° | 43° | 54° | — | — |
| 2020 | 75° | 52° | 63° | — | — |
| 2019 | 62° | 46° | 54° | — | — |
| 2018 | 58° | 40° | 49° | — | — |
| 2017 | 64° | 47° | 55° | — | — |
| 2016 | 72° | 51° | 61° | — | — |
| 2015 | 65° | 51° | 58° | — | — |
| 2014 | 73° | 50° | 62° | — | — |
| 2013 | 70° | 46° | 58° | — | — |
| 2012warmest | 84° | 63° | 73° | — | — |
| 2011 | 75° | 54° | 64° | — | — |
| 2010coldest | 43° | -40° | 1° | — | — |
| 2009 | 55° | 45° | 50° | — | — |
| 2008 | 72° | 48° | 60° | — | — |
| 2007 | 75° | 61° | 68° | — | — |
| 2006 | 55° | 39° | 47° | — | — |
| 2005 | 59° | 52° | 55° | — | — |
| 2004 | 68° | 50° | 59° | — | — |
| 2003 | 55° | 45° | 50° | — | — |
| 2002 | 73° | 48° | 61° | — | — |
| 2001 | 52° | 45° | 48° | — | — |
| 2000 | 52° | 43° | 47° | — | — |
| 1999 | 63° | 46° | 54° | — | — |
| 1998 | 61° | 47° | 54° | — | — |
| 1997 | 64° | 45° | 54° | — | — |
30 years of data from SIMI VALLEY CALIFORNIA