Weather on March 19
Costa Mesa, CA
55 Years of Data
Avg High
71°F
Avg Low
51°F
Warmest
2026
75°F avg
Coldest
1982
52°F avg
About This Date
March 19th in Costa Mesa, CA typically brings pleasant spring weather, with average highs around 71°F and lows near 51°F. Over 56 years of records, the warmest March 19th was in 2026 (75°F average), while the coldest was 1982 (52°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 18% of March 19th dates historically, with the wettest March 19th recording 2.06" 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 March 19th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 88° | 63° | 75° | — | — |
| 2025 | 77° | 49° | 63° | — | — |
| 2024 | 71° | 52° | 61° | — | — |
| 2023 | 65° | 55° | 60° | — | — |
| 2022 | 69° | 57° | 63° | 1.09" | — |
| 2021 | 69° | 50° | 60° | — | — |
| 2020 | 64° | 55° | 60° | 0.48" | — |
| 2019 | 65° | 52° | 58° | — | — |
| 2018 | 71° | 50° | 61° | — | — |
| 2017 | 70° | 56° | 63° | — | — |
| 2016 | 67° | 56° | 61° | — | — |
| 2015 | 72° | 59° | 65° | — | — |
| 2014 | 72° | 54° | 63° | — | — |
| 2013 | 66° | 52° | 59° | — | — |
| 2012 | 60° | 49° | 54° | — | — |
| 2011 | 62° | 54° | 58° | 0.03" | — |
| 2010 | 73° | 54° | 63° | — | — |
| 2009 | 67° | 52° | 59° | — | — |
| 2008 | 65° | 49° | 57° | — | — |
| 2007 | 66° | 57° | 62° | — | — |
| 2006 | 61° | 45° | 53° | 0.03" | — |
| 2005 | 66° | 51° | 59° | 0.1" | — |
| 2004 | 68° | 56° | 62° | — | — |
| 2003 | 66° | 49° | 57° | — | — |
| 2002 | 67° | 44° | 55° | — | — |
| 2001 | 81° | 54° | 67° | — | — |
| 2000 | 69° | 52° | 60° | — | — |
| 1999 | 64° | 46° | 55° | — | — |
| 1998 | 75° | 59° | 67° | — | — |
| 1997 | 91° | 53° | 72° | — | — |
| 1996 | 77° | 56° | 66° | — | — |
| 1995 | 72° | 55° | 63° | — | — |
| 1994 | 74° | 54° | 64° | 1.47" | — |
| 1993 | 79° | 52° | 65° | — | — |
| 1992 | 70° | 49° | 59° | — | — |
| 1991 | 71° | 47° | 59° | 2.06" | — |
| 1990 | 79° | 46° | 62° | — | — |
| 1989 | 73° | 52° | 62° | — | — |
| 1988 | 91° | 51° | 71° | — | — |
| 1987 | 64° | 51° | 58° | — | — |
| 1986 | 80° | 45° | 62° | — | — |
| 1985 | 70° | 46° | 58° | — | — |
| 1984 | 84° | 56° | 70° | — | — |
| 1983 | 66° | 46° | 56° | 0.58" | — |
| 1982coldest | 63° | 42° | 52° | 0.1" | — |
| 1981 | 65° | 55° | 60° | — | — |
| 1980 | 68° | 46° | 57° | — | — |
| 1979 | 60° | 47° | 53° | 1.83" | — |
| 1978 | 76° | 57° | 66° | — | — |
| 1977 | 72° | 44° | 58° | — | — |
| 1976 | 67° | 49° | 58° | — | — |
| 1975 | 74° | 49° | 61° | — | — |
| 1974 | 66° | 49° | 57° | — | — |
| 1973 | 66° | 45° | 55° | — | — |
| 1972 | 69° | 53° | 61° | — | — |
| 1971 | 78° | 48° | 63° | — | — |
56 years of data from SANTA ANA JOHN WAYNE AP