Weather on May 27
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
58°F
Warmest
1997
75°F avg
Coldest
1980
58°F avg
About This Date
May 27th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 58°F. Over 55 years of records, the warmest May 27th was in 1997 (75°F average), while the coldest was 1980 (58°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 27th dates historically. 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 May 27th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 73° | 63° | 68° | — | — |
| 2024 | 70° | 58° | 64° | — | — |
| 2023 | 69° | 61° | 65° | — | — |
| 2022 | 73° | 63° | 68° | — | — |
| 2021 | 71° | 61° | 66° | — | — |
| 2020 | 77° | 61° | 69° | — | — |
| 2019 | 66° | 53° | 60° | — | — |
| 2018 | 72° | 59° | 65° | — | — |
| 2017 | 70° | 61° | 65° | — | — |
| 2016 | 71° | 59° | 65° | — | — |
| 2015 | 70° | 60° | 65° | — | — |
| 2014 | 80° | 67° | 73° | — | — |
| 2013 | 72° | 58° | 65° | — | — |
| 2012 | 73° | 55° | 64° | — | — |
| 2011 | 74° | 59° | 66° | — | — |
| 2010 | 72° | 60° | 66° | — | — |
| 2009 | 72° | 62° | 67° | — | — |
| 2008 | 70° | 54° | 62° | — | — |
| 2007 | 70° | 60° | 65° | — | — |
| 2006 | 71° | 60° | 66° | — | — |
| 2005 | 70° | 61° | 65° | — | — |
| 2004 | 69° | 57° | 63° | — | — |
| 2003 | 75° | 58° | 66° | — | — |
| 2002 | 70° | 59° | 64° | — | — |
| 2001 | 67° | 61° | 64° | — | — |
| 2000 | 85° | 61° | 73° | — | — |
| 1999 | 71° | 60° | 66° | — | — |
| 1998 | 70° | 50° | 60° | — | — |
| 1997warmest | 87° | 63° | 75° | — | — |
| 1996 | 73° | 59° | 66° | — | — |
| 1995 | 69° | 57° | 63° | — | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 75° | 57° | 66° | — | — |
| 1992 | 74° | 61° | 67° | — | — |
| 1991 | 69° | 56° | 62° | — | — |
| 1990 | 69° | 54° | 61° | — | — |
| 1989 | 74° | 59° | 66° | — | — |
| 1988 | 72° | 54° | 63° | — | — |
| 1987 | 69° | 55° | 62° | — | — |
| 1986 | 76° | 60° | 68° | — | — |
| 1985 | 71° | 59° | 65° | — | — |
| 1984 | 84° | 60° | 72° | — | — |
| 1983 | 81° | 62° | 71° | — | — |
| 1982 | 72° | 59° | 65° | — | — |
| 1981 | 76° | 60° | 68° | 0.15" | — |
| 1980coldest | 67° | 50° | 58° | — | — |
| 1979 | 71° | 60° | 66° | — | — |
| 1978 | 79° | 56° | 67° | — | — |
| 1977 | 73° | 52° | 62° | — | — |
| 1976 | 77° | 55° | 66° | — | — |
| 1975 | 70° | 57° | 63° | — | — |
| 1974 | 83° | 57° | 70° | — | — |
| 1973 | 83° | 54° | 68° | — | — |
| 1972 | 89° | 55° | 72° | — | — |
| 1971 | 67° | 53° | 60° | 0.08" | — |
55 years of data from SANTA ANA JOHN WAYNE AP