Weather on June 18
West Covina, CA
55 Years of Data
Avg High
87°F
Avg Low
59°F
Warmest
2012
107°F avg
Coldest
1975
60°F avg
About This Date
June 18th in West Covina, CA typically brings warm summer weather, with average highs around 87°F and lows near 59°F — a 28°F daily swing. Over 55 years of records, the warmest June 18th was in 2012 (107°F average), while the coldest was 1975 (60°F) — a 47°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 18th in West Covina, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 61° | 77° | — | — |
| 2024 | 84° | 62° | 73° | — | — |
| 2023 | 80° | 58° | 69° | — | — |
| 2022 | 82° | 58° | 70° | — | — |
| 2021 | 89° | 64° | 76° | — | — |
| 2020 | 77° | 60° | 69° | — | — |
| 2019 | 79° | 62° | 70° | — | — |
| 2018 | 79° | 59° | 69° | — | — |
| 2017 | 94° | 61° | 77° | — | — |
| 2016 | 99° | 58° | 78° | — | — |
| 2015 | 99° | 57° | 78° | — | — |
| 2014 | 84° | 57° | 71° | — | — |
| 2013 | 90° | 58° | 74° | — | — |
| 2012warmest | 123° | 91° | 107° | — | — |
| 2011 | 84° | 56° | 70° | — | — |
| 2010 | 86° | 53° | 70° | — | — |
| 2009 | 90° | 56° | 73° | — | — |
| 2008 | 103° | 57° | 80° | — | — |
| 2007 | 89° | 58° | 73° | — | — |
| 2006 | 93° | 62° | 78° | — | — |
| 2005 | 84° | 55° | 70° | — | — |
| 2004 | 84° | 61° | 72° | — | — |
| 2003 | 84° | 62° | 73° | — | — |
| 2002 | 84° | 57° | 71° | — | — |
| 2001 | 93° | 69° | 81° | — | — |
| 2000 | 79° | 58° | 68° | — | — |
| 1999 | 91° | 58° | 74° | — | — |
| 1998 | 87° | 54° | 70° | — | — |
| 1997 | 90° | 63° | 76° | — | — |
| 1996 | 95° | 56° | 75° | — | — |
| 1995 | 86° | 52° | 69° | — | — |
| 1994 | 90° | 55° | 72° | — | — |
| 1993 | 91° | 63° | 77° | — | — |
| 1992 | 83° | 57° | 70° | — | — |
| 1991 | 87° | 60° | 74° | — | — |
| 1990 | 81° | 60° | 70° | — | — |
| 1989 | 95° | 61° | 78° | — | — |
| 1988 | 82° | 59° | 71° | — | — |
| 1987 | 84° | 55° | 70° | — | — |
| 1986 | 85° | 56° | 70° | — | — |
| 1985 | 85° | 60° | 72° | — | — |
| 1984 | 85° | 62° | 73° | — | — |
| 1983 | 83° | 63° | 73° | — | — |
| 1982 | 64° | 58° | 61° | — | — |
| 1981 | 103° | 62° | 82° | — | — |
| 1980 | 82° | 61° | 71° | — | — |
| 1979 | 76° | 59° | 67° | — | — |
| 1978 | 92° | 61° | 76° | — | — |
| 1977 | 84° | 54° | 69° | — | — |
| 1976 | 87° | 60° | 74° | — | — |
| 1975coldest | 67° | 54° | 60° | — | — |
| 1974 | 78° | 53° | 66° | — | — |
| 1973 | 89° | 55° | 72° | — | — |
| 1972 | 85° | 64° | 74° | — | — |
| 1971 | 86° | 57° | 72° | — | — |
55 years of data from SANTA FE DAM CALIFORNIA