Weather on October 21
Murrieta, CA
55 Years of Data
Avg High
79°F
Avg Low
54°F
Warmest
2003
85°F avg
Coldest
2010
55°F avg
About This Date
October 21st in Murrieta, CA typically brings pleasant fall weather, with average highs around 79°F and lows near 54°F — a 25°F daily swing. Over 54 years of records, the warmest October 21st was in 2003 (85°F average), while the coldest was 2010 (55°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 21st dates historically. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Murrieta, CA? Great weather for outdoor activities.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 58° | 72° | — | — |
| 2024 | 87° | 61° | 74° | — | — |
| 2023 | 85° | 61° | 73° | — | — |
| 2022 | 77° | 59° | 68° | — | — |
| 2021 | 79° | 54° | 66° | — | — |
| 2020 | 76° | 56° | 66° | — | — |
| 2019 | 89° | 63° | 76° | — | — |
| 2018 | 78° | 59° | 69° | — | — |
| 2017 | 80° | 51° | 66° | — | — |
| 2016 | 91° | 68° | 80° | — | — |
| 2015 | 80° | 56° | 68° | — | — |
| 2014 | 80° | 57° | 69° | — | — |
| 2013 | 79° | 55° | 67° | — | — |
| 2012 | 63° | 55° | 59° | — | — |
| 2011 | 73° | 53° | 63° | — | — |
| 2010coldest | 57° | 53° | 55° | — | — |
| 2009 | 82° | 55° | 69° | — | — |
| 2008 | 86° | 59° | 73° | — | — |
| 2007 | 77° | 59° | 68° | — | — |
| 2006 | 90° | 60° | 75° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 63° | 49° | 56° | — | — |
| 2003warmest | 100° | 70° | 85° | — | — |
| 2002 | 66° | 49° | 57° | — | — |
| 2001 | 70° | 55° | 62° | — | — |
| 2000 | 65° | 53° | 59° | — | — |
| 1999 | 94° | 65° | 79° | — | — |
| 1998 | 75° | 52° | 63° | — | — |
| 1997 | 73° | 52° | 62° | — | — |
| 1996 | 70° | 49° | 59° | — | — |
| 1995 | 70° | 52° | 61° | — | — |
| 1994 | 81° | 53° | 67° | — | — |
| 1993 | 85° | 61° | 73° | — | — |
| 1992 | 81° | 61° | 71° | — | — |
| 1991 | 91° | 56° | 73° | — | — |
| 1990 | 83° | 47° | 65° | — | — |
| 1989 | 87° | 56° | 71° | 0.3" | — |
| 1988 | 80° | 56° | 68° | — | — |
| 1987 | 78° | 55° | 67° | — | — |
| 1986 | 79° | 45° | 62° | — | — |
| 1985 | 69° | 50° | 60° | 0.15" | — |
| 1984 | 71° | 50° | 61° | — | — |
| 1983 | 87° | 52° | 69° | — | — |
| 1982 | 85° | 48° | 66° | — | — |
| 1981 | 86° | 46° | 66° | — | — |
| 1980 | 89° | 45° | 67° | — | — |
| 1979 | 72° | 45° | 58° | — | — |
| 1978 | 84° | 52° | 68° | — | — |
| 1977 | 76° | 55° | 65° | — | — |
| 1976 | 78° | — | — | — | — |
| 1975 | 73° | — | — | — | — |
| 1974 | 74° | 52° | 63° | — | — |
| 1973 | 85° | 43° | 64° | — | — |
| 1972 | 72° | 44° | 58° | — | — |
54 years of data from SANTA ROSA PLATEAU CALIFORNIA