Weather on August 14
Costa Mesa, CA
55 Years of Data
Avg High
82°F
Avg Low
65°F
Warmest
1983
85°F avg
Coldest
1995
58°F avg
About This Date
August 14th in Costa Mesa, CA typically brings warm summer weather, with average highs around 82°F and lows near 65°F. Over 55 years of records, the warmest August 14th was in 1983 (85°F average), while the coldest was 1995 (58°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 14th dates historically. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for August 14th in Costa Mesa, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 67° | 71° | — | — |
| 2024 | 83° | 67° | 75° | — | — |
| 2023 | 80° | 69° | 75° | — | — |
| 2022 | 86° | 71° | 79° | — | — |
| 2021 | 83° | 69° | 76° | — | — |
| 2020 | 93° | 70° | 81° | — | — |
| 2019 | 82° | 65° | 73° | — | — |
| 2018 | 80° | 68° | 74° | — | — |
| 2017 | 75° | 67° | 71° | — | — |
| 2016 | 86° | 65° | 75° | — | — |
| 2015 | 92° | 68° | 80° | — | — |
| 2014 | 82° | 68° | 75° | — | — |
| 2013 | 77° | 65° | 71° | — | — |
| 2012 | 88° | 70° | 79° | — | — |
| 2011 | 78° | 66° | 72° | — | — |
| 2010 | 76° | 61° | 68° | — | — |
| 2009 | 77° | 66° | 72° | — | — |
| 2008 | 84° | 68° | 76° | — | — |
| 2007 | 89° | 68° | 79° | — | — |
| 2006 | 76° | 66° | 71° | — | — |
| 2005 | 75° | 67° | 71° | — | — |
| 2004 | 77° | 66° | 72° | — | — |
| 2003 | 88° | 67° | 77° | — | — |
| 2002 | 76° | 64° | 70° | — | — |
| 2001 | 85° | 65° | 75° | — | — |
| 2000 | 81° | 67° | 74° | — | — |
| 1999 | 73° | 62° | 68° | — | — |
| 1998 | 87° | 67° | 77° | — | — |
| 1997 | 82° | 65° | 73° | — | — |
| 1996 | 92° | 69° | 80° | — | — |
| 1995coldest | 85° | 32° | 58° | — | — |
| 1994 | 95° | 72° | 83° | — | — |
| 1993 | 76° | 66° | 71° | — | — |
| 1992 | 94° | 75° | 84° | — | — |
| 1991 | 80° | 66° | 73° | — | — |
| 1990 | 75° | 65° | 70° | — | — |
| 1989 | 82° | 65° | 73° | — | — |
| 1988 | 84° | 60° | 72° | — | — |
| 1987 | 70° | 62° | 66° | 0.38" | — |
| 1986 | 82° | 63° | 72° | — | — |
| 1985 | 78° | 59° | 69° | — | — |
| 1984 | 86° | 67° | 76° | — | — |
| 1983warmest | 97° | 73° | 85° | — | — |
| 1982 | 79° | 61° | 70° | — | — |
| 1981 | 84° | 66° | 75° | — | — |
| 1980 | 81° | 69° | 75° | — | — |
| 1979 | 80° | 61° | 70° | — | — |
| 1978 | 80° | 65° | 72° | — | — |
| 1977 | 89° | 61° | 75° | — | — |
| 1976 | 82° | 63° | 72° | — | — |
| 1975 | 78° | 61° | 69° | — | — |
| 1974 | 79° | 63° | 71° | — | — |
| 1973 | 84° | 63° | 73° | — | — |
| 1972 | 80° | 67° | 73° | — | — |
| 1971 | 83° | 68° | 75° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP