Weather on August 25
Mission Viejo, CA
55 Years of Data
Avg High
86°F
Avg Low
62°F
Warmest
2010
86°F avg
Coldest
1987
65°F avg
About This Date
August 25th in Mission Viejo, CA typically brings warm summer weather, with average highs around 86°F and lows near 62°F. Over 55 years of records, the warmest August 25th was in 2010 (86°F average), while the coldest was 1987 (65°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 25th dates historically. The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.1°F cooler on this date compared to 20-30 years ago.
Planning for August 25th in Mission Viejo, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 62° | 74° | — | — |
| 2024 | 83° | 57° | 70° | — | — |
| 2023 | 85° | 59° | 72° | — | — |
| 2022 | 87° | 64° | 76° | — | — |
| 2021 | 91° | 60° | 76° | — | — |
| 2020 | 95° | 65° | 80° | — | — |
| 2019 | 94° | 64° | 79° | — | — |
| 2018 | 81° | 63° | 72° | — | — |
| 2017 | 78° | 62° | 70° | — | — |
| 2016 | 77° | 61° | 69° | — | — |
| 2015 | 87° | 64° | 76° | — | — |
| 2014 | 84° | 63° | 73° | — | — |
| 2013 | 89° | 58° | 73° | — | — |
| 2012 | 78° | 63° | 70° | — | — |
| 2011 | 99° | 62° | 80° | — | — |
| 2010warmest | 105° | 66° | 86° | — | — |
| 2009 | 97° | 62° | 79° | — | — |
| 2008 | 90° | 63° | 76° | — | — |
| 2007 | 88° | 62° | 75° | — | — |
| 2006 | 84° | 59° | 72° | — | — |
| 2005 | 100° | 62° | 81° | — | — |
| 2004 | 82° | 56° | 69° | — | — |
| 2003 | 90° | 63° | 76° | — | — |
| 2002 | 87° | 58° | 72° | — | — |
| 2001 | 86° | 60° | 73° | — | — |
| 2000 | 87° | 64° | 76° | — | — |
| 1999 | 100° | 67° | 83° | — | — |
| 1998 | 82° | 65° | 73° | — | — |
| 1997 | 81° | 64° | 72° | — | — |
| 1996 | 86° | 63° | 74° | — | — |
| 1995 | 86° | 59° | 73° | — | — |
| 1994 | 87° | 63° | 75° | — | — |
| 1993 | 84° | 63° | 73° | — | — |
| 1992 | 82° | 64° | 73° | — | — |
| 1991 | 83° | 65° | 74° | — | — |
| 1990 | 76° | 65° | 70° | — | — |
| 1989 | 77° | 62° | 70° | — | — |
| 1988 | 86° | 66° | 76° | — | — |
| 1987coldest | 72° | 58° | 65° | — | — |
| 1986 | 87° | 61° | 74° | — | — |
| 1985 | 101° | 69° | 85° | — | — |
| 1984 | 86° | 67° | 76° | — | — |
| 1983 | 82° | 61° | 71° | — | — |
| 1982 | 83° | 64° | 73° | 0.05" | — |
| 1981 | 98° | 68° | 83° | — | — |
| 1980 | 82° | 63° | 72° | — | — |
| 1979 | 87° | 63° | 75° | — | — |
| 1978 | 77° | 57° | 67° | — | — |
| 1977 | 80° | 63° | 71° | — | — |
| 1976 | 84° | 59° | 72° | — | — |
| 1975 | 80° | 54° | 67° | — | — |
| 1974 | 83° | 57° | 70° | — | — |
| 1973 | 77° | 57° | 67° | — | — |
| 1972 | 77° | 60° | 69° | — | — |
| 1971 | 86° | 64° | 75° | — | — |
55 years of data from EL TORO MCAS