Weather on March 21
Murrieta, CA
55 Years of Data
Avg High
69°F
Avg Low
46°F
Warmest
2026
78°F avg
Coldest
2011
44°F avg
About This Date
March 21st in Murrieta, CA typically brings mild spring weather, with average highs around 69°F and lows near 46°F. Over 56 years of records, the warmest March 21st was in 2026 (78°F average), while the coldest was 2011 (44°F) — a 34°F range across recorded history. Rain or other precipitation has occurred on about 11% of March 21st dates historically, with the wettest March 21st recording 1.78" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in Murrieta, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 87° | 68° | 78° | — | — |
| 2025 | 75° | 50° | 63° | — | — |
| 2024 | 69° | 48° | 59° | — | — |
| 2023 | 53° | 43° | 48° | — | — |
| 2022 | 73° | 47° | 60° | — | — |
| 2021 | 59° | 41° | 50° | — | — |
| 2020 | 62° | 45° | 53° | — | — |
| 2019 | 53° | 43° | 48° | — | — |
| 2018 | 73° | 55° | 64° | — | — |
| 2017 | 67° | 48° | 57° | — | — |
| 2016 | 67° | 50° | 58° | — | — |
| 2015 | 73° | 51° | 62° | — | — |
| 2014 | 64° | 48° | 56° | — | — |
| 2013 | 67° | 49° | 58° | — | — |
| 2012 | 73° | 47° | 60° | — | — |
| 2011coldest | 49° | 40° | 44° | — | — |
| 2010 | 74° | 56° | 65° | — | — |
| 2009 | 60° | 45° | 52° | — | — |
| 2008 | 80° | 48° | 64° | — | — |
| 2007 | 57° | 45° | 51° | — | — |
| 2006 | 57° | 38° | 47° | — | — |
| 2005 | 62° | 45° | 53° | — | — |
| 2004 | 75° | 50° | 63° | — | — |
| 2003 | 74° | 46° | 60° | — | — |
| 2002 | 83° | 56° | 69° | — | — |
| 2001 | 71° | 50° | 61° | — | — |
| 2000 | 67° | 47° | 57° | — | — |
| 1999 | 66° | 38° | 52° | — | — |
| 1998 | 73° | 47° | 60° | — | — |
| 1997 | 82° | 56° | 69° | — | — |
| 1996 | 68° | 50° | 59° | — | — |
| 1995 | 52° | 41° | 46° | — | — |
| 1994 | 68° | 48° | 58° | — | — |
| 1993 | 78° | 43° | 60° | — | — |
| 1992 | 63° | 52° | 57° | 1.78" | — |
| 1991 | 56° | 40° | 48° | 0.81" | — |
| 1990 | 88° | 48° | 68° | — | — |
| 1989 | 82° | 39° | 61° | — | — |
| 1988 | 80° | 36° | 58° | — | — |
| 1987 | 68° | 38° | 53° | 0.81" | — |
| 1986 | 85° | 43° | 64° | — | — |
| 1985 | 70° | 44° | 57° | — | — |
| 1984 | 79° | 43° | 61° | — | — |
| 1983 | 59° | 44° | 52° | 1.07" | — |
| 1982 | 70° | 34° | 52° | — | — |
| 1981 | 68° | 39° | 54° | — | — |
| 1980 | 69° | 42° | 56° | — | — |
| 1979 | 57° | 42° | 50° | — | — |
| 1978 | 66° | 55° | 61° | 0.03" | — |
| 1977 | 82° | 39° | 61° | — | — |
| 1976 | 86° | 44° | 65° | — | — |
| 1975 | 65° | 42° | 53° | — | — |
| 1974 | 69° | 47° | 58° | — | — |
| 1973 | 55° | 39° | 47° | 0.56" | — |
| 1972 | 85° | 39° | 62° | — | — |
| 1971 | 75° | 39° | 57° | — | — |
56 years of data from SANTA ROSA PLATEAU CALIFORNIA