Weather on June 18
Pomona, CA
55 Years of Data
Avg High
84°F
Avg Low
56°F
Warmest
2008
81°F avg
Coldest
1975
56°F avg
About This Date
June 18th in Pomona, CA typically brings warm summer weather, with average highs around 84°F and lows near 56°F — a 28°F daily swing. Over 51 years of records, the warmest June 18th was in 2008 (81°F average), while the coldest was 1975 (56°F) — a 25°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 Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 60° | 77° | — | — |
| 2024 | 81° | 53° | 67° | — | — |
| 2023 | 76° | 54° | 65° | — | — |
| 2022 | 78° | 53° | 66° | — | — |
| 2021 | 88° | 64° | 76° | — | — |
| 2020 | 74° | 54° | 64° | — | — |
| 2019 | 76° | 56° | 66° | — | — |
| 2018 | 75° | 53° | 64° | — | — |
| 2017 | 93° | 63° | 78° | — | — |
| 2016 | 95° | 61° | 78° | — | — |
| 2015 | 94° | 57° | 75° | — | — |
| 2014 | 82° | 50° | 66° | — | — |
| 2013 | 84° | 57° | 71° | — | — |
| 2012 | 87° | 59° | 73° | — | — |
| 2011 | 82° | 58° | 70° | — | — |
| 2010 | 79° | 50° | 64° | — | — |
| 2009 | 85° | 58° | 71° | — | — |
| 2008warmest | 102° | 60° | 81° | — | — |
| 2007 | 88° | 58° | 73° | — | — |
| 2006 | 91° | 64° | 78° | — | — |
| 2005 | 79° | 55° | 67° | — | — |
| 2004 | 82° | 58° | 70° | — | — |
| 2003 | 81° | 61° | 71° | — | — |
| 2002 | 89° | 59° | 74° | — | — |
| 2001 | 92° | 61° | 76° | — | — |
| 2000 | 80° | 56° | 68° | — | — |
| 1999 | 87° | 55° | 71° | — | — |
| 1998 | 84° | 52° | 68° | — | — |
| 1993 | 94° | 58° | 76° | — | — |
| 1992 | 78° | 45° | 61° | — | — |
| 1991 | 73° | 58° | 65° | — | — |
| 1990 | 81° | 56° | 68° | — | — |
| 1989 | 95° | 56° | 75° | — | — |
| 1988 | 83° | 52° | 67° | — | — |
| 1987 | 81° | 48° | 64° | — | — |
| 1986 | 83° | 48° | 65° | — | — |
| 1985 | 86° | 57° | 72° | — | — |
| 1984 | 86° | 60° | 73° | — | — |
| 1983 | 82° | 61° | 71° | — | — |
| 1982 | 62° | 57° | 60° | — | — |
| 1981 | 97° | 56° | 76° | — | — |
| 1980 | 84° | 57° | 71° | — | — |
| 1979 | 71° | 58° | 64° | — | — |
| 1978 | 96° | 58° | 77° | — | — |
| 1977 | 84° | 50° | 67° | — | — |
| 1976 | 84° | 57° | 71° | — | — |
| 1975coldest | 63° | 49° | 56° | — | — |
| 1974 | 82° | 49° | 65° | — | — |
| 1973 | 78° | 51° | 65° | — | — |
| 1972 | 83° | 61° | 72° | — | — |
| 1971 | 85° | 54° | 69° | — | — |
51 years of data from POMONA/FAIRPLEX