Weather on June 27
Costa Mesa, CA
55 Years of Data
Avg High
80°F
Avg Low
62°F
Warmest
1990
84°F avg
Coldest
1996
64°F avg
About This Date
June 27th in Costa Mesa, CA typically brings warm summer weather, with average highs around 80°F and lows near 62°F. Over 55 years of records, the warmest June 27th was in 1990 (84°F average), while the coldest was 1996 (64°F) — a 20°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for June 27th in Costa Mesa, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 74° | 64° | 69° | — | — |
| 2024 | 79° | 66° | 72° | — | — |
| 2023 | 73° | 61° | 67° | — | — |
| 2022 | 83° | 65° | 74° | — | — |
| 2021 | 76° | 65° | 70° | — | — |
| 2020 | 76° | 66° | 71° | — | — |
| 2019 | 74° | 64° | 69° | — | — |
| 2018 | 77° | 64° | 71° | — | — |
| 2017 | 83° | 63° | 73° | — | — |
| 2016 | 83° | 66° | 74° | — | — |
| 2015 | 75° | 64° | 70° | — | — |
| 2014 | 78° | 68° | 73° | — | — |
| 2013 | 82° | 64° | 73° | — | — |
| 2012 | 81° | 60° | 70° | — | — |
| 2011 | 75° | 62° | 69° | — | — |
| 2010 | 75° | 64° | 70° | — | — |
| 2009 | 78° | 63° | 70° | — | — |
| 2008 | 74° | 64° | 69° | — | — |
| 2007 | 76° | 62° | 69° | — | — |
| 2006 | 96° | 64° | 80° | — | — |
| 2005 | 71° | 61° | 66° | — | — |
| 2004 | 73° | 63° | 68° | — | — |
| 2003 | 75° | 63° | 69° | — | — |
| 2002 | 72° | 61° | 66° | — | — |
| 2001 | 80° | 62° | 71° | — | — |
| 2000 | 80° | 65° | 72° | — | — |
| 1999 | 72° | 60° | 66° | — | — |
| 1998 | 79° | 62° | 70° | — | — |
| 1997 | 77° | 64° | 71° | — | — |
| 1996coldest | 72° | 57° | 64° | — | — |
| 1995 | 79° | 63° | 71° | — | — |
| 1994 | 88° | 68° | 78° | — | — |
| 1993 | 78° | 64° | 71° | — | — |
| 1992 | 80° | 61° | 70° | — | — |
| 1991 | 72° | 58° | 65° | — | — |
| 1990warmest | 101° | 67° | 84° | — | — |
| 1989 | 79° | 60° | 69° | — | — |
| 1988 | 83° | 61° | 72° | — | — |
| 1987 | 78° | 61° | 69° | — | — |
| 1986 | 86° | 59° | 73° | — | — |
| 1985 | 91° | 58° | 74° | — | — |
| 1984 | 83° | 59° | 71° | — | — |
| 1983 | 75° | 63° | 69° | — | — |
| 1982 | 77° | 60° | 69° | — | — |
| 1981 | 81° | 65° | 73° | — | — |
| 1980 | 88° | 59° | 73° | — | — |
| 1979 | 92° | 62° | 77° | — | — |
| 1978 | 74° | 63° | 68° | — | — |
| 1977 | 79° | 61° | 70° | — | — |
| 1976 | 101° | 64° | 82° | — | — |
| 1975 | 81° | 57° | 69° | — | — |
| 1974 | 90° | 61° | 75° | — | — |
| 1973 | 87° | 64° | 76° | — | — |
| 1972 | 82° | 56° | 69° | — | — |
| 1971 | 76° | 64° | 70° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP