Weather on April 27
Costa Mesa, CA
55 Years of Data
Avg High
73°F
Avg Low
55°F
Warmest
2008
82°F avg
Coldest
1971
55°F avg
About This Date
April 27th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 55°F. Over 55 years of records, the warmest April 27th was in 2008 (82°F average), while the coldest was 1971 (55°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 4% of April 27th dates historically. The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.8°F cooler on this date compared to 20-30 years ago.
Planning for April 27th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 54° | 59° | — | — |
| 2024 | 69° | 56° | 62° | — | — |
| 2023 | 67° | 58° | 62° | — | — |
| 2022 | 71° | 59° | 65° | — | — |
| 2021 | 67° | 53° | 60° | — | — |
| 2020 | 75° | 63° | 69° | — | — |
| 2019 | 69° | 58° | 63° | — | — |
| 2018 | 68° | 57° | 63° | — | — |
| 2017 | 73° | 60° | 67° | — | — |
| 2016 | 68° | 55° | 62° | — | — |
| 2015 | 87° | 54° | 70° | — | — |
| 2014 | 70° | 56° | 63° | — | — |
| 2013 | 71° | 55° | 63° | — | — |
| 2012 | 69° | 58° | 63° | — | — |
| 2011 | 80° | 54° | 67° | — | — |
| 2010 | 64° | 54° | 59° | 0.03" | — |
| 2009 | 66° | 57° | 62° | — | — |
| 2008warmest | 99° | 65° | 82° | — | — |
| 2007 | 76° | 57° | 66° | — | — |
| 2006 | 66° | 57° | 62° | — | — |
| 2005 | 67° | 58° | 62° | — | — |
| 2004 | 90° | 61° | 75° | — | — |
| 2003 | 66° | 53° | 60° | — | — |
| 2002 | 65° | 55° | 60° | — | — |
| 2001 | 66° | 56° | 61° | — | — |
| 2000 | 71° | 58° | 64° | — | — |
| 1999 | 68° | 55° | 62° | — | — |
| 1998 | 83° | 54° | 68° | — | — |
| 1997 | 83° | 60° | 71° | — | — |
| 1996 | 73° | 61° | 67° | — | — |
| 1995 | 71° | 57° | 64° | — | — |
| 1994 | 65° | 51° | 58° | — | — |
| 1993 | 77° | 58° | 67° | — | — |
| 1992 | 92° | 59° | 75° | — | — |
| 1991 | 80° | 52° | 66° | — | — |
| 1990 | 75° | 58° | 66° | — | — |
| 1989 | 70° | 49° | 59° | — | — |
| 1988 | 67° | 56° | 61° | — | — |
| 1987 | 73° | 58° | 65° | — | — |
| 1986 | 86° | 54° | 70° | — | — |
| 1985 | 83° | 48° | 65° | — | — |
| 1984 | 65° | 47° | 56° | 0.25" | — |
| 1983 | 71° | 54° | 62° | — | — |
| 1982 | 73° | 55° | 64° | — | — |
| 1981 | 73° | 56° | 64° | — | — |
| 1980 | 72° | 55° | 63° | — | — |
| 1979 | 74° | 58° | 66° | — | — |
| 1978 | 72° | 52° | 62° | — | — |
| 1977 | 69° | 56° | 62° | — | — |
| 1976 | 70° | 53° | 61° | — | — |
| 1975 | 68° | 47° | 57° | — | — |
| 1974 | 72° | 48° | 60° | — | — |
| 1973 | 70° | 54° | 62° | — | — |
| 1972 | 83° | 52° | 67° | — | — |
| 1971coldest | 66° | 45° | 55° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP