Weather on October 25
Costa Mesa, CA
55 Years of Data
Avg High
77°F
Avg Low
58°F
Warmest
2017
83°F avg
Coldest
1971
55°F avg
About This Date
October 25th in Costa Mesa, CA typically brings pleasant fall weather, with average highs around 77°F and lows near 58°F. Over 55 years of records, the warmest October 25th was in 2017 (83°F average), while the coldest was 1971 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 25th dates historically, with the wettest October 25th recording 0.81" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for October 25th 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 |
|---|---|---|---|---|---|
| 2025 | 71° | 61° | 66° | — | — |
| 2024 | 73° | 57° | 65° | — | — |
| 2023 | 72° | 63° | 67° | — | — |
| 2022 | 77° | 56° | 66° | — | — |
| 2021 | 68° | 57° | 63° | 0.81" | — |
| 2020 | 70° | 62° | 66° | — | — |
| 2019 | 94° | 66° | 80° | — | — |
| 2018 | 76° | 63° | 69° | — | — |
| 2017warmest | 99° | 67° | 83° | — | — |
| 2016 | 74° | 58° | 66° | — | — |
| 2015 | 82° | 63° | 72° | — | — |
| 2014 | 81° | 65° | 73° | — | — |
| 2013 | 72° | 61° | 66° | — | — |
| 2012 | 80° | 55° | 68° | — | — |
| 2011 | 69° | 62° | 66° | — | — |
| 2010 | 78° | 65° | 71° | 0.33" | — |
| 2009 | 79° | 59° | 69° | — | — |
| 2008 | 83° | 54° | 68° | — | — |
| 2007 | 84° | 61° | 72° | — | — |
| 2006 | 70° | 59° | 64° | — | — |
| 2005 | 70° | 59° | 64° | — | — |
| 2004 | 69° | 58° | 63° | — | — |
| 2003 | 84° | 59° | 72° | — | — |
| 2002 | 66° | 55° | 61° | 0.13" | — |
| 2001 | 71° | 59° | 65° | — | — |
| 2000 | 74° | 57° | 65° | — | — |
| 1999 | 84° | 60° | 72° | — | — |
| 1998 | 77° | 60° | 69° | 0.15" | — |
| 1997 | 79° | 45° | 62° | — | — |
| 1996 | 74° | 57° | 65° | — | — |
| 1995 | 79° | 54° | 66° | — | — |
| 1994 | 71° | 55° | 63° | — | — |
| 1993 | 80° | 55° | 68° | — | — |
| 1992 | 76° | 67° | 71° | — | — |
| 1991 | 73° | 55° | 64° | — | — |
| 1990 | 93° | 58° | 75° | — | — |
| 1989 | 69° | 59° | 64° | — | — |
| 1988 | 73° | 60° | 67° | — | — |
| 1987 | 82° | 60° | 71° | — | — |
| 1986 | 89° | 54° | 71° | — | — |
| 1985 | 80° | 54° | 67° | — | — |
| 1984 | 83° | 53° | 68° | — | — |
| 1983 | 93° | 59° | 76° | — | — |
| 1982 | 77° | 61° | 69° | — | — |
| 1981 | 74° | 59° | 66° | — | — |
| 1980 | 76° | 53° | 64° | — | — |
| 1979 | 76° | 52° | 64° | — | — |
| 1978 | 74° | 65° | 69° | — | — |
| 1977 | 81° | 55° | 68° | — | — |
| 1976 | 74° | 53° | 63° | — | — |
| 1975 | 75° | 45° | 60° | — | — |
| 1974 | 75° | 55° | 65° | — | — |
| 1973 | 77° | 52° | 64° | — | — |
| 1972 | 78° | 50° | 64° | — | — |
| 1971coldest | 67° | 44° | 55° | — | — |
55 years of data from SANTA ANA JOHN WAYNE AP