Weather on June 28
Costa Mesa, CA
55 Years of Data
Avg High
80°F
Avg Low
63°F
Warmest
1990
82°F avg
Coldest
2010
66°F avg
About This Date
June 28th in Costa Mesa, CA typically brings warm summer weather, with average highs around 80°F and lows near 63°F. Over 55 years of records, the warmest June 28th was in 1990 (82°F average), while the coldest was 2010 (66°F) — a 16°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for June 28th in Costa Mesa, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 80° | 64° | 72° | — | — |
| 2024 | 76° | 67° | 71° | — | — |
| 2023 | 70° | 63° | 66° | — | — |
| 2022 | 84° | 67° | 75° | — | — |
| 2021 | 77° | 67° | 72° | — | — |
| 2020 | 73° | 65° | 69° | — | — |
| 2019 | 76° | 63° | 69° | — | — |
| 2018 | 74° | 64° | 69° | — | — |
| 2017 | 72° | 62° | 67° | — | — |
| 2016 | 81° | 66° | 73° | — | — |
| 2015 | 86° | 67° | 76° | — | — |
| 2014 | 78° | 68° | 73° | — | — |
| 2013 | 82° | 64° | 73° | — | — |
| 2012 | 79° | 62° | 70° | — | — |
| 2011 | 72° | 63° | 67° | — | — |
| 2010coldest | 70° | 63° | 66° | — | — |
| 2009 | 82° | 63° | 72° | — | — |
| 2008 | 90° | 64° | 77° | — | — |
| 2007 | 76° | 62° | 69° | — | — |
| 2006 | 88° | 66° | 77° | — | — |
| 2005 | 74° | 62° | 68° | — | — |
| 2004 | 72° | 62° | 67° | — | — |
| 2003 | 74° | 62° | 68° | — | — |
| 2002 | 73° | 61° | 67° | — | — |
| 2001 | 82° | 61° | 71° | — | — |
| 2000 | 78° | 64° | 71° | — | — |
| 1999 | 74° | 61° | 67° | — | — |
| 1998 | 79° | 63° | 71° | — | — |
| 1997 | 79° | 65° | 72° | — | — |
| 1996 | 79° | 55° | 67° | — | — |
| 1995 | 81° | 62° | 71° | — | — |
| 1994 | 85° | 66° | 75° | — | — |
| 1993 | 79° | 63° | 71° | — | — |
| 1992 | 84° | 62° | 73° | — | — |
| 1991 | 77° | 59° | 68° | — | — |
| 1990warmest | 100° | 64° | 82° | — | — |
| 1989 | 78° | 60° | 69° | — | — |
| 1988 | 78° | 64° | 71° | — | — |
| 1987 | 77° | 60° | 69° | — | — |
| 1986 | 88° | 62° | 75° | — | — |
| 1985 | 86° | 61° | 73° | — | — |
| 1984 | 84° | 64° | 74° | — | — |
| 1983 | 76° | 61° | 68° | — | — |
| 1982 | 75° | 61° | 68° | — | — |
| 1981 | 78° | 64° | 71° | — | — |
| 1980 | 96° | 66° | 81° | — | — |
| 1979 | 90° | 60° | 75° | — | — |
| 1978 | 75° | 61° | 68° | — | — |
| 1977 | 81° | 60° | 70° | — | — |
| 1976 | 96° | 67° | 81° | — | — |
| 1975 | 78° | 56° | 67° | — | — |
| 1974 | 91° | 61° | 76° | — | — |
| 1973 | 80° | 58° | 69° | — | — |
| 1972 | 80° | 58° | 69° | — | — |
| 1971 | 76° | 62° | 69° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP