Weather on April 15
Costa Mesa, CA
55 Years of Data
Avg High
71°F
Avg Low
53°F
Warmest
1987
72°F avg
Coldest
2009
54°F avg
About This Date
April 15th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 53°F. Over 55 years of records, the warmest April 15th was in 1987 (72°F average), while the coldest was 2009 (54°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 13% of April 15th dates historically, with the wettest April 15th recording 1.57" of rain. 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 April 15th in Costa Mesa, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 56° | 60° | — | — |
| 2024 | 67° | 53° | 60° | — | — |
| 2023 | 69° | 51° | 60° | — | — |
| 2022 | 71° | 56° | 63° | — | — |
| 2021 | 66° | 51° | 59° | — | — |
| 2020 | 81° | 56° | 68° | — | — |
| 2019 | 66° | 53° | 60° | — | — |
| 2018 | 75° | 54° | 64° | — | — |
| 2017 | 73° | 51° | 62° | — | — |
| 2016 | 74° | 55° | 64° | — | — |
| 2015 | 79° | 56° | 67° | — | — |
| 2014 | 72° | 57° | 64° | — | — |
| 2013 | 66° | 54° | 60° | — | — |
| 2012 | 66° | 50° | 58° | — | — |
| 2011 | 82° | 54° | 68° | — | — |
| 2010 | 68° | 52° | 60° | — | — |
| 2009coldest | 60° | 48° | 54° | — | — |
| 2008 | 67° | 55° | 61° | — | — |
| 2007 | 64° | 54° | 59° | — | — |
| 2006 | 65° | 57° | 61° | 0.03" | — |
| 2005 | 73° | 53° | 63° | — | — |
| 2004 | 67° | 55° | 61° | — | — |
| 2003 | 63° | 50° | 56° | 0.03" | — |
| 2002 | 66° | 54° | 60° | 0.08" | — |
| 2001 | 68° | 50° | 59° | — | — |
| 2000 | 67° | 57° | 62° | — | — |
| 1999 | 73° | 51° | 62° | — | — |
| 1998 | 63° | — | — | — | — |
| 1997 | 79° | 54° | 66° | — | — |
| 1996 | 82° | 55° | 69° | — | — |
| 1995 | 66° | 47° | 56° | — | — |
| 1994 | 76° | 57° | 66° | — | — |
| 1993 | 72° | 56° | 64° | — | — |
| 1992 | 72° | 56° | 64° | — | — |
| 1991 | 71° | 54° | 62° | — | — |
| 1990 | 71° | 58° | 64° | — | — |
| 1989 | 73° | 59° | 66° | — | — |
| 1988 | 67° | 48° | 57° | 1.57" | — |
| 1987warmest | 89° | 56° | 72° | — | — |
| 1986 | 72° | 50° | 61° | — | — |
| 1985 | 73° | 55° | 64° | — | — |
| 1984 | 85° | 53° | 69° | — | — |
| 1983 | 73° | 42° | 58° | — | — |
| 1982 | 68° | 53° | 61° | — | — |
| 1981 | 72° | 54° | 63° | — | — |
| 1980 | 78° | 52° | 65° | — | — |
| 1979 | 72° | 55° | 63° | — | — |
| 1978 | 68° | 58° | 63° | 0.41" | — |
| 1977 | 73° | 53° | 63° | — | — |
| 1976 | 63° | 48° | 55° | 0.18" | — |
| 1975 | 63° | 47° | 55° | 0.18" | — |
| 1974 | 77° | 45° | 61° | — | — |
| 1973 | 64° | 51° | 58° | — | — |
| 1972 | 76° | 44° | 60° | — | — |
| 1971 | 67° | 54° | 60° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP