Weather on October 18
Murrieta, CA
55 Years of Data
Avg High
80°F
Avg Low
55°F
Warmest
2003
82°F avg
Coldest
1971
52°F avg
About This Date
October 18th in Murrieta, CA typically brings warm fall weather, with average highs around 80°F and lows near 55°F — a 25°F daily swing. Over 54 years of records, the warmest October 18th was in 2003 (82°F average), while the coldest was 1971 (52°F) — a 30°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Murrieta, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 84° | 58° | 71° | — | — |
| 2024 | 72° | 52° | 62° | — | — |
| 2023 | 92° | 67° | 79° | — | — |
| 2022 | 87° | 62° | 75° | — | — |
| 2021 | 59° | 45° | 52° | — | — |
| 2020 | 84° | 63° | 73° | — | — |
| 2019 | 80° | 53° | 67° | — | — |
| 2018 | 82° | 59° | 71° | — | — |
| 2017 | 82° | 63° | 72° | — | — |
| 2016 | 75° | 54° | 64° | — | — |
| 2015 | 71° | 60° | 66° | — | — |
| 2014 | 74° | 57° | 65° | — | — |
| 2013 | 84° | 55° | 70° | — | — |
| 2012 | 74° | 59° | 66° | — | — |
| 2011 | 81° | 63° | 72° | — | — |
| 2010 | 60° | 53° | 57° | — | — |
| 2009 | 81° | 56° | 68° | — | — |
| 2008 | 84° | 60° | 72° | — | — |
| 2007 | 81° | 49° | 65° | — | — |
| 2006 | 76° | 52° | 64° | — | — |
| 2005 | 56° | 52° | 54° | — | — |
| 2004 | 63° | 54° | 58° | — | — |
| 2003warmest | 95° | 68° | 82° | — | — |
| 2002 | 65° | 50° | 57° | — | — |
| 2001 | 88° | 60° | 74° | — | — |
| 2000 | 71° | 55° | 63° | — | — |
| 1999 | 87° | 62° | 75° | — | — |
| 1998 | 85° | 55° | 70° | — | — |
| 1997 | 85° | 61° | 73° | — | — |
| 1996 | 76° | 55° | 65° | — | — |
| 1995 | 77° | 58° | 67° | — | — |
| 1994 | 78° | 50° | 64° | — | — |
| 1993 | 68° | 50° | 59° | — | — |
| 1992 | 84° | 51° | 68° | — | — |
| 1991 | 96° | 55° | 76° | — | — |
| 1990 | 83° | 56° | 69° | — | — |
| 1988 | 86° | 53° | 70° | — | — |
| 1987 | 85° | 52° | 68° | — | — |
| 1986 | 77° | 54° | 65° | — | — |
| 1985 | 79° | 55° | 67° | — | — |
| 1984 | 71° | 53° | 62° | — | — |
| 1983 | 82° | 54° | 68° | — | — |
| 1982 | 85° | 52° | 68° | — | — |
| 1981 | 84° | 66° | 75° | — | — |
| 1980 | 82° | 40° | 61° | — | — |
| 1979 | 74° | 56° | 65° | — | — |
| 1978 | 84° | 47° | 65° | — | — |
| 1977 | 94° | 50° | 72° | — | — |
| 1976 | 79° | 46° | 62° | — | — |
| 1975 | 82° | — | — | — | — |
| 1974 | 97° | 47° | 72° | — | — |
| 1973 | 95° | 51° | 73° | — | — |
| 1972 | 74° | 53° | 63° | — | — |
| 1971coldest | 67° | 37° | 52° | — | — |
54 years of data from SANTA ROSA PLATEAU CALIFORNIA