Weather on March 14
Costa Mesa, CA
55 Years of Data
Avg High
69°F
Avg Low
51°F
Warmest
2015
76°F avg
Coldest
1975
52°F avg
About This Date
March 14th in Costa Mesa, CA typically brings mild spring weather, with average highs around 69°F and lows near 51°F. Over 56 years of records, the warmest March 14th was in 2015 (76°F average), while the coldest was 1975 (52°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 21% of March 14th dates historically, with the wettest March 14th recording 2.67" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for March 14th in Costa Mesa, CA? Great weather for outdoor activities.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 75° | 58° | 66° | — | — |
| 2025 | 55° | 50° | 53° | 0.3" | — |
| 2024 | 72° | 54° | 63° | — | — |
| 2023 | 62° | 56° | 59° | 2.67" | — |
| 2022 | 73° | 53° | 63° | — | — |
| 2021 | 62° | 54° | 58° | — | — |
| 2020 | 65° | 59° | 62° | — | — |
| 2019 | 73° | 49° | 61° | — | — |
| 2018 | 65° | 57° | 61° | 0.03" | — |
| 2017 | 78° | 53° | 66° | — | — |
| 2016 | 66° | 55° | 61° | 0.1" | — |
| 2015warmest | 91° | 61° | 76° | — | — |
| 2014 | 70° | 52° | 61° | — | — |
| 2013 | 70° | 52° | 61° | — | — |
| 2012 | 65° | 49° | 57° | — | — |
| 2011 | 69° | 52° | 60° | — | — |
| 2010 | 68° | 45° | 56° | — | — |
| 2009 | 62° | 54° | 58° | — | — |
| 2008 | 64° | 54° | 59° | — | — |
| 2007 | 66° | 55° | 61° | — | — |
| 2006 | 64° | 43° | 53° | — | — |
| 2005 | 76° | 57° | 66° | — | — |
| 2004 | 68° | 55° | 62° | — | — |
| 2003 | 67° | 58° | 62° | — | — |
| 2002 | 63° | 45° | 54° | — | — |
| 2001 | 63° | 51° | 57° | — | — |
| 2000 | 70° | 50° | 60° | — | — |
| 1999 | 63° | 48° | 55° | — | — |
| 1998 | 71° | 51° | 61° | 1.73" | — |
| 1997 | 74° | 52° | 63° | — | — |
| 1996 | 66° | 46° | 56° | 1.91" | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 85° | 55° | 70° | — | — |
| 1993 | 74° | 60° | 67° | — | — |
| 1992 | 70° | 55° | 62° | — | — |
| 1991 | 64° | 43° | 53° | 0.23" | — |
| 1990 | 66° | 39° | 53° | — | — |
| 1989 | 70° | 52° | 61° | — | — |
| 1988 | 79° | 44° | 61° | — | — |
| 1987 | 66° | 49° | 57° | — | — |
| 1986 | 64° | 46° | 55° | 0.48" | — |
| 1985 | 66° | 54° | 60° | — | — |
| 1984 | 68° | 55° | 62° | 0.3" | — |
| 1983 | 72° | 53° | 62° | 0.56" | — |
| 1982 | 61° | 54° | 57° | 1.22" | — |
| 1981 | 67° | 41° | 54° | — | — |
| 1980 | 74° | 49° | 61° | — | — |
| 1979 | 69° | 52° | 60° | — | — |
| 1978 | 70° | 48° | 59° | — | — |
| 1977 | 67° | 43° | 55° | — | — |
| 1976 | 75° | 45° | 60° | — | — |
| 1975coldest | 62° | 41° | 52° | 0.64" | — |
| 1974 | 72° | 50° | 61° | — | — |
| 1973 | 69° | 40° | 54° | — | — |
| 1972 | 68° | 54° | 61° | — | — |
| 1971 | 66° | 44° | 55° | — | — |
56 years of data from SANTA ANA JOHN WAYNE AP