Weather on June 18
Murrieta, CA
55 Years of Data
Avg High
86°F
Avg Low
57°F
Warmest
1976
86°F avg
Coldest
1982
61°F avg
About This Date
June 18th in Murrieta, CA typically brings warm summer weather, with average highs around 86°F and lows near 57°F — a 29°F daily swing. Over 55 years of records, the warmest June 18th was in 1976 (86°F average), while the coldest was 1982 (61°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.9°F cooler on this date compared to 20-30 years ago.
Planning for June 18th in Murrieta, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 87° | 59° | 73° | — | — |
| 2024 | 77° | 52° | 64° | — | — |
| 2023 | 73° | 53° | 63° | — | — |
| 2022 | 74° | 54° | 64° | — | — |
| 2021 | 84° | 57° | 71° | — | — |
| 2020 | 72° | 52° | 62° | — | — |
| 2019 | 69° | 55° | 62° | — | — |
| 2018 | 74° | 52° | 63° | — | — |
| 2017 | 90° | 66° | 78° | — | — |
| 2016 | 93° | 65° | 79° | — | — |
| 2015 | 90° | 66° | 78° | — | — |
| 2014 | 78° | 51° | 65° | — | — |
| 2013 | 79° | 54° | 66° | — | — |
| 2012 | 82° | 55° | 69° | — | — |
| 2011 | 76° | 52° | 64° | — | — |
| 2010 | 75° | 48° | 62° | — | — |
| 2009 | 78° | 55° | 67° | — | — |
| 2008 | 97° | 68° | 82° | — | — |
| 2007 | 83° | 55° | 69° | — | — |
| 2006 | 83° | 58° | 70° | — | — |
| 2005 | 75° | 51° | 63° | — | — |
| 2004 | 73° | 53° | 63° | — | — |
| 2003 | 76° | 76° | 76° | — | — |
| 2002 | 83° | 62° | 72° | — | — |
| 2001 | 88° | 65° | 76° | — | — |
| 2000 | 77° | 56° | 66° | — | — |
| 1999 | 82° | 60° | 71° | — | — |
| 1998 | 79° | 56° | 67° | — | — |
| 1997 | 82° | 57° | 70° | — | — |
| 1996 | 88° | 61° | 74° | — | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 86° | 56° | 71° | — | — |
| 1993 | 92° | 57° | 74° | — | — |
| 1992 | 88° | 52° | 70° | — | — |
| 1991 | 95° | 59° | 77° | — | — |
| 1990 | 89° | 55° | 72° | — | — |
| 1989 | 103° | 58° | 80° | — | — |
| 1988 | 96° | 54° | 75° | — | — |
| 1987 | 89° | 51° | 70° | — | — |
| 1986 | 93° | 54° | 73° | — | — |
| 1985 | 101° | 58° | 79° | — | — |
| 1984 | 98° | 57° | 78° | — | — |
| 1983 | 93° | 55° | 74° | — | — |
| 1982coldest | 71° | 51° | 61° | — | — |
| 1981 | 101° | 61° | 81° | — | — |
| 1980 | 91° | 50° | 71° | — | — |
| 1979 | — | 48° | — | — | — |
| 1978 | 103° | 61° | 82° | — | — |
| 1977 | 87° | 57° | 72° | — | — |
| 1976warmest | 99° | 73° | 86° | — | — |
| 1975 | 69° | — | — | — | — |
| 1974 | 96° | 53° | 75° | — | — |
| 1973 | 98° | 50° | 74° | — | — |
| 1972 | 91° | 53° | 72° | — | — |
| 1971 | 94° | 56° | 75° | — | — |
55 years of data from SANTA ROSA PLATEAU CALIFORNIA